[PATCH v6] malloc: add free_sized and free_aligned_sized from C23
Justin King
jcking@google.com
Tue Jul 29 14:33:26 GMT 2025
Rebased for 2.43 in v7.
On Wed, Jul 9, 2025 at 5:35 AM Andreas K. Huettel <andreas.huettel@ur.de>
wrote:
> Am Montag, 7. Juli 2025, 19:16:35 Mitteleuropäische Sommerzeit schrieb
> Justin King:
> > Signed-off-by: Justin King <jcking@google.com>
>
> In the next release please. It's too late for more feature additions.
>
> > ---
> > v6: remove unintended files
> > v5: fix formatting
> > v4: fix tests by updating malloc/Version and malloc/malloc-debug.c
> > v3: fix formatting
> > v2: update manual/comments based on discussion
> >
> > NEWS | 3 ++
> > malloc/Makefile | 2 ++
> > malloc/Versions | 8 +++++
> > malloc/malloc-debug.c | 17 ++++++++++
> > malloc/malloc.c | 27 +++++++++++++++
> > malloc/tst-free-aligned-sized.c | 33 +++++++++++++++++++
> > malloc/tst-free-sized.c | 33 +++++++++++++++++++
> > manual/memory.texi | 28 ++++++++++++++++
> > stdlib/stdlib.h | 18 ++++++++++
> > sysdeps/unix/sysv/linux/aarch64/libc.abilist | 2 ++
> > .../linux/aarch64/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/alpha/libc.abilist | 2 ++
> > .../linux/alpha/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/arc/libc.abilist | 2 ++
> > .../sysv/linux/arc/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/arm/be/libc.abilist | 2 ++
> > .../linux/arm/be/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/arm/le/libc.abilist | 2 ++
> > .../linux/arm/le/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/csky/libc.abilist | 2 ++
> > .../sysv/linux/csky/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/hppa/libc.abilist | 2 ++
> > .../sysv/linux/hppa/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/i386/libc.abilist | 2 ++
> > .../sysv/linux/i386/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/loongarch/lp64/libc.abilist | 2 ++
> > .../loongarch/lp64/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/m68k/coldfire/libc.abilist | 2 ++
> > .../m68k/coldfire/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/m68k/m680x0/libc.abilist | 2 ++
> > .../m68k/m680x0/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/microblaze/be/libc.abilist | 2 ++
> > .../microblaze/be/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/microblaze/le/libc.abilist | 2 ++
> > .../microblaze/le/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/mips/mips32/fpu/libc.abilist | 2 ++
> > .../mips/mips32/fpu/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/mips/mips32/nofpu/libc.abilist | 2 ++
> > .../mips32/nofpu/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/mips/mips64/n32/libc.abilist | 2 ++
> > .../mips/mips64/n32/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/mips/mips64/n64/libc.abilist | 2 ++
> > .../mips/mips64/n64/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/or1k/libc.abilist | 2 ++
> > .../sysv/linux/or1k/libc_malloc_debug.abilist | 2 ++
> > .../linux/powerpc/powerpc32/fpu/libc.abilist | 2 ++
> > .../powerpc32/fpu/libc_malloc_debug.abilist | 2 ++
> > .../powerpc/powerpc32/nofpu/libc.abilist | 2 ++
> > .../powerpc32/nofpu/libc_malloc_debug.abilist | 2 ++
> > .../linux/powerpc/powerpc64/be/libc.abilist | 2 ++
> > .../powerpc64/be/libc_malloc_debug.abilist | 2 ++
> > .../linux/powerpc/powerpc64/le/libc.abilist | 2 ++
> > .../powerpc64/le/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/riscv/rv32/libc.abilist | 2 ++
> > .../riscv/rv32/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/riscv/rv64/libc.abilist | 2 ++
> > .../riscv/rv64/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/s390/s390-32/libc.abilist | 2 ++
> > .../s390/s390-32/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/s390/s390-64/libc.abilist | 2 ++
> > .../s390/s390-64/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/sh/be/libc.abilist | 2 ++
> > .../linux/sh/be/libc_malloc_debug.abilist | 2 ++
> > sysdeps/unix/sysv/linux/sh/le/libc.abilist | 2 ++
> > .../linux/sh/le/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/sparc/sparc32/libc.abilist | 2 ++
> > .../sparc/sparc32/libc_malloc_debug.abilist | 2 ++
> > .../sysv/linux/sparc/sparc64/libc.abilist | 2 ++
> > .../sparc/sparc64/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/x86_64/64/libc.abilist | 2 ++
> > .../linux/x86_64/64/libc_malloc_debug.abilist | 2 ++
> > .../unix/sysv/linux/x86_64/x32/libc.abilist | 2 ++
> > .../x86_64/x32/libc_malloc_debug.abilist | 2 ++
> > 73 files changed, 297 insertions(+)
> > create mode 100644 malloc/tst-free-aligned-sized.c
> > create mode 100644 malloc/tst-free-sized.c
> >
> > diff --git a/NEWS b/NEWS
> > index cc668344c1..13ec06c1a9 100644
> > --- a/NEWS
> > +++ b/NEWS
> > @@ -26,6 +26,9 @@ Major new features:
> > speed_t is redefined to simply be the baud rate specified as an
> > unsigned int, which matches the kernel interface.
> >
> > +* The ISO C23 functions free_sized and free_aligned_sized are now
> > + supported in <stdlib.h>.
> > +
> > Deprecated and removed features, and other changes affecting
> compatibility:
> >
> > * The glibc.rtld.execstack now supports a compatibility mode to allow
> > diff --git a/malloc/Makefile b/malloc/Makefile
> > index 2f232f9238..e8d43e5a7f 100644
> > --- a/malloc/Makefile
> > +++ b/malloc/Makefile
> > @@ -32,7 +32,9 @@ tests := \
> > tst-aligned-alloc-random-thread-cross \
> > tst-alloc_buffer \
> > tst-calloc \
> > + tst-free-aligned-sized \
> > tst-free-errno \
> > + tst-free-sized \
> > tst-interpose-nothread \
> > tst-interpose-thread \
> > tst-malloc \
> > diff --git a/malloc/Versions b/malloc/Versions
> > index c763395c6d..ed48a6f13d 100644
> > --- a/malloc/Versions
> > +++ b/malloc/Versions
> > @@ -67,6 +67,10 @@ libc {
> > GLIBC_2.33 {
> > mallinfo2;
> > }
> > + GLIBC_2.42 {
> > + free_aligned_sized;
> > + free_sized;
> > + }
> > GLIBC_PRIVATE {
> > # Internal startup hook for libpthread.
> > __libc_malloc_pthread_startup;
> > @@ -141,4 +145,8 @@ libc_malloc_debug {
> > GLIBC_2.33 {
> > mallinfo2;
> > }
> > + GLIBC_2.42 {
> > + free_aligned_sized;
> > + free_sized;
> > + }
> > }
> > diff --git a/malloc/malloc-debug.c b/malloc/malloc-debug.c
> > index d208aa32a3..36ce909bca 100644
> > --- a/malloc/malloc-debug.c
> > +++ b/malloc/malloc-debug.c
> > @@ -213,6 +213,21 @@ __debug_free (void *mem)
> > }
> > strong_alias (__debug_free, free)
> >
> > +static void
> > +__debug_free_sized (void *mem, __attribute__ ((__unused__)) size_t size)
> > +{
> > + free (mem);
> > +}
> > +strong_alias (__debug_free_sized, free_sized)
> > +
> > +static void
> > +__debug_free_aligned_sized (void *mem, __attribute__ ((__unused__))
> size_t alignment,
> > + __attribute__ ((__unused__)) size_t size)
> > +{
> > + free (mem);
> > +}
> > +strong_alias (__debug_free_aligned_sized, free_aligned_sized)
> > +
> > static void *
> > __debug_realloc (void *oldmem, size_t bytes)
> > {
> > @@ -650,6 +665,8 @@ compat_symbol (libc_malloc_debug, malloc_set_state,
> malloc_set_state,
> > compat_symbol (libc_malloc_debug, aligned_alloc, aligned_alloc,
> GLIBC_2_16);
> > compat_symbol (libc_malloc_debug, calloc, calloc, GLIBC_2_0);
> > compat_symbol (libc_malloc_debug, free, free, GLIBC_2_0);
> > +compat_symbol (libc_malloc_debug, free_aligned_sized,
> free_aligned_sized, GLIBC_2_42);
> > +compat_symbol (libc_malloc_debug, free_sized, free_sized, GLIBC_2_42);
> > compat_symbol (libc_malloc_debug, mallinfo2, mallinfo2, GLIBC_2_33);
> > compat_symbol (libc_malloc_debug, mallinfo, mallinfo, GLIBC_2_0);
> > compat_symbol (libc_malloc_debug, malloc_info, malloc_info, GLIBC_2_10);
> > diff --git a/malloc/malloc.c b/malloc/malloc.c
> > index d28cd66faa..2216eb95c7 100644
> > --- a/malloc/malloc.c
> > +++ b/malloc/malloc.c
> > @@ -3732,6 +3732,33 @@ aligned_alloc (size_t alignment, size_t bytes)
> > return _mid_memalign (alignment, bytes);
> > }
> >
> > +/* For ISO C23. */
> > +void
> > +weak_function
> > +free_sized (void *ptr, __attribute__ ((__unused__)) size_t size)
> > +{
> > + /* We do not perform validation that size is the same as the original
> > + requested size at this time. We leave that to the sanitizers. We
> > + simply forward to `free`. This allows existing malloc replacements
> > + to continue to work. */
> > +
> > + free (ptr);
> > +}
> > +
> > +/* For ISO C23. */
> > +void
> > +weak_function
> > +free_aligned_sized (void *ptr, __attribute__ ((__unused__)) size_t
> alignment,
> > + __attribute__ ((__unused__)) size_t size)
> > +{
> > + /* We do not perform validation that size and alignment is the same as
> > + the original requested size and alignment at this time. We leave
> that
> > + to the sanitizers. We simply forward to `free`. This allows
> existing
> > + malloc replacements to continue to work. */
> > +
> > + free (ptr);
> > +}
> > +
> > static void *
> > _mid_memalign (size_t alignment, size_t bytes)
> > {
> > diff --git a/malloc/tst-free-aligned-sized.c
> b/malloc/tst-free-aligned-sized.c
> > new file mode 100644
> > index 0000000000..f04e39bbdd
> > --- /dev/null
> > +++ b/malloc/tst-free-aligned-sized.c
> > @@ -0,0 +1,33 @@
> > +/* Test that free_aligned_sized works.
> > + Copyright (C) 2025 Free Software Foundation, Inc.
> > + This file is part of the GNU C Library.
> > +
> > + The GNU C Library is free software; you can redistribute it and/or
> > + modify it under the terms of the GNU Lesser General Public
> > + License as published by the Free Software Foundation; either
> > + version 2.1 of the License, or (at your option) any later version.
> > +
> > + The GNU C Library is distributed in the hope that it will be useful,
> > + but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > + Lesser General Public License for more details.
> > +
> > + You should have received a copy of the GNU Lesser General Public
> > + License along with the GNU C Library; if not, see
> > + <https://www.gnu.org/licenses/>. */
> > +
> > +#include <stddef.h>
> > +#include <stdlib.h>
> > +
> > +static int
> > +do_test (void)
> > +{
> > + free_aligned_sized (NULL, 0, 0);
> > +
> > + void *p = aligned_alloc (128, 1024);
> > + free_aligned_sized (p, 128, 1024);
> > +
> > + return 0;
> > +}
> > +
> > +#include <support/test-driver.c>
> > diff --git a/malloc/tst-free-sized.c b/malloc/tst-free-sized.c
> > new file mode 100644
> > index 0000000000..0ad9380787
> > --- /dev/null
> > +++ b/malloc/tst-free-sized.c
> > @@ -0,0 +1,33 @@
> > +/* Test that free_sized works.
> > + Copyright (C) 2025 Free Software Foundation, Inc.
> > + This file is part of the GNU C Library.
> > +
> > + The GNU C Library is free software; you can redistribute it and/or
> > + modify it under the terms of the GNU Lesser General Public
> > + License as published by the Free Software Foundation; either
> > + version 2.1 of the License, or (at your option) any later version.
> > +
> > + The GNU C Library is distributed in the hope that it will be useful,
> > + but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > + Lesser General Public License for more details.
> > +
> > + You should have received a copy of the GNU Lesser General Public
> > + License along with the GNU C Library; if not, see
> > + <https://www.gnu.org/licenses/>. */
> > +
> > +#include <stddef.h>
> > +#include <stdlib.h>
> > +
> > +static int
> > +do_test (void)
> > +{
> > + free_sized (NULL, 0);
> > +
> > + void *p = malloc (128);
> > + free_sized (p, 128);
> > +
> > + return 0;
> > +}
> > +
> > +#include <support/test-driver.c>
> > diff --git a/manual/memory.texi b/manual/memory.texi
> > index 46f76c17ca..9ed7f31304 100644
> > --- a/manual/memory.texi
> > +++ b/manual/memory.texi
> > @@ -764,6 +764,34 @@ There is no point in freeing blocks at the end of a
> program, because all
> > of the program's space is given back to the system when the process
> > terminates.
> >
> > +@deftypefun void free_sized (void *@var{ptr}, size_t @var{size})
> > +@standards{ISO, stdlib.h}
> > +@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{}
> @acsfd{} @acsmem{}}}
> > +The @code{free_sized} function deallocates the block of memory pointed
> at
> > +by @var{ptr} that was previously allocated by @code{malloc},
> @code{calloc}
> > +or @code{realloc}. The size @var{size} must match the previously
> requested
> > +total size provided to @code{malloc}, @code{calloc} or @code{realloc}.
> > +Attempting to deallocated memory allocated by @code{aligned_alloc},
> > +@code{memalign}, @code{posix_memalign}, @code{valloc} or @code{pvalloc}
> is
> > +undefined behavior. For @code{aligned_alloc}, @code{memalign} or
> > +@code{posix_memalign} use @code{free_aligned_sized} instead.
> Additionally
> > +it is also undefined behavior to call @code{free_sized} for allocations
> > +which the caller did not directly allocate but must still deallocate,
> such
> > +as the result of @code{strdup} or @code{strndup}. Instead continue using
> > +@code{free} for these cases.
> > +@end deftypefun
> > +
> > +@deftypefun void free_aligned_sized (void *@var{ptr}, size_t
> @var{alignment}, size_t @var{size})
> > +@standards{ISO, stdlib.h}
> > +@safety{@prelim{}@mtsafe{}@asunsafe{@asulock{}}@acunsafe{@aculock{}
> @acsfd{} @acsmem{}}}
> > +The @code{free_aligned_sized} function deallocates the block of memory
> > +pointed at by @var{ptr} that was previously allocated by
> > +@code{aligned_alloc}, @code{memalign} or @code{posix_memalign}.
> > +The size @var{size} and alignment @var{alignment} must match the
> > +previously requested size and alignment provided to
> > +@code{aligned_alloc}, @code{memalign} or @code{posix_memalign}.
> > +@end deftypefun
> > +
> > @node Changing Block Size
> > @subsubsection Changing the Size of a Block
> > @cindex changing the size of a block (@code{malloc})
> > diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
> > index cd4503c761..f7596ba4e1 100644
> > --- a/stdlib/stdlib.h
> > +++ b/stdlib/stdlib.h
> > @@ -686,6 +686,24 @@ extern void *realloc (void *__ptr, size_t __size)
> > /* Free a block allocated by `malloc', `realloc' or `calloc'. */
> > extern void free (void *__ptr) __THROW;
> >
> > +#if __GLIBC_USE(ISOC23)
> > +/* Free a block allocated by `malloc`, `realloc` or `calloc` but not
> > + `aligned_alloc`, `memalign`, `posix_memalign`, `valloc` or
> > + `pvalloc`. SIZE must be equal to the original requested size
> > + provided to `malloc`, `realloc` or `calloc`. For `calloc` SIZE is
> > + NMEMB elements * SIZE bytes. It is forbidden to call `free_sized`
> > + for allocations which the caller did not directly allocate but
> > + must still deallocate, such as `strdup` or `strndup`. Instead
> > + continue using `free` for these cases. */
> > +extern void free_sized (void *__ptr, size_t __size) __THROW;
> > +
> > +/* Free a block allocated by `aligned_alloc`, `memalign` or
> > + `posix_memalign`. ALIGNMENT and SIZE must be the same as the values
> > + provided to `aligned_alloc`, `memalign` or `posix_memalign`. */
> > +extern void free_aligned_sized (void *__ptr, size_t __alignment, size_t
> __size)
> > + __THROW;
> > +#endif
> > +
> > #ifdef __USE_MISC
> > /* Re-allocate the previously allocated block in PTR, making the new
> > block large enough for NMEMB elements of SIZE bytes each. */
> > diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> > index a22e651432..ed4874eb5b 100644
> > --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> > @@ -2762,6 +2762,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> > index c82c88dcf7..c8665bef4e 100644
> > --- a/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/aarch64/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.17 pvalloc F
> > GLIBC_2.17 realloc F
> > GLIBC_2.17 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist
> b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> > index 4b5736a3b6..8d9c691caa 100644
> > --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> > @@ -3109,6 +3109,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> > index 15b3293b03..91560d80f3 100644
> > --- a/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/alpha/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist
> b/sysdeps/unix/sysv/linux/arc/libc.abilist
> > index b8a44784bd..a17453d41b 100644
> > --- a/sysdeps/unix/sysv/linux/arc/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
> > @@ -2523,6 +2523,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> > index cf9f611403..7317c42e60 100644
> > --- a/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/arc/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.32 pvalloc F
> > GLIBC_2.32 realloc F
> > GLIBC_2.32 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> > index 959e44672f..846cdb8e37 100644
> > --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> > @@ -2815,6 +2815,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> > index e505469154..b3451f33a2 100644
> > --- a/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/arm/be/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
> > GLIBC_2.4 pvalloc F
> > GLIBC_2.4 realloc F
> > GLIBC_2.4 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> > index a930d1a52b..6073155520 <(607)%20315-5520> 100644
> > --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> > @@ -2812,6 +2812,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> > index e505469154..b3451f33a2 100644
> > --- a/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/arm/le/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
> > GLIBC_2.4 pvalloc F
> > GLIBC_2.4 realloc F
> > GLIBC_2.4 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist
> b/sysdeps/unix/sysv/linux/csky/libc.abilist
> > index 6325fc12c4..59ac43aa98 100644
> > --- a/sysdeps/unix/sysv/linux/csky/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
> > @@ -2799,6 +2799,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> > index 4cd866430b..e5b7c66f9a 100644
> > --- a/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/csky/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.29 pvalloc F
> > GLIBC_2.29 realloc F
> > GLIBC_2.29 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> > index 86b3fbdeec..b872cd932c 100644
> > --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> > @@ -2836,6 +2836,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> > index 8798ca8653..a20fdc077e 100644
> > --- a/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/hppa/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
> > GLIBC_2.2 realloc F
> > GLIBC_2.2 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist
> b/sysdeps/unix/sysv/linux/i386/libc.abilist
> > index 6555592d86..23e9e5cb48 100644
> > --- a/sysdeps/unix/sysv/linux/i386/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
> > @@ -3019,6 +3019,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/i386/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
> b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
> > index a6cab9612a..6190145fdf 100644
> > --- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
> > @@ -2283,6 +2283,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
> > index 6ddfd162b3..ccc539bae3 100644
> > --- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.36 posix_memalign F
> > GLIBC_2.36 pvalloc F
> > GLIBC_2.36 realloc F
> > GLIBC_2.36 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> > index 7b7b72aa50..25a0f4458c 100644
> > --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> > @@ -2795,6 +2795,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> > index e505469154..b3451f33a2 100644
> > --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.4 posix_memalign F
> > GLIBC_2.4 pvalloc F
> > GLIBC_2.4 realloc F
> > GLIBC_2.4 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> > index df398e43c6..1feb8c7479 100644
> > --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> > @@ -2962,6 +2962,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> > index ca8df6f4b0..f8c2752141 100644
> > --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> > @@ -2848,6 +2848,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> > index a082e71f94..f9e827fdc8 100644
> > --- a/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.18 pvalloc F
> > GLIBC_2.18 realloc F
> > GLIBC_2.18 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> > index 9508154847..ecafc4cb21 100644
> > --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> > @@ -2845,6 +2845,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> > index a082e71f94..f9e827fdc8 100644
> > --- a/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.18 pvalloc F
> > GLIBC_2.18 realloc F
> > GLIBC_2.18 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> > index 4d51cc428f..d04a6024a4 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> > @@ -2923,6 +2923,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> > index 7f90fadc76..aa8f21b079 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> > @@ -2921,6 +2921,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> > index fc366d1bd0..1d3476f4a6 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> > @@ -2929,6 +2929,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> > index debd5c37c9..6b78a34ece 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> > @@ -2831,6 +2831,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> > index 15b3293b03..91560d80f3 100644
> > --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist
> b/sysdeps/unix/sysv/linux/or1k/libc.abilist
> > index b62d59f1af..070d802695 100644
> > --- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
> > @@ -2273,6 +2273,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/or1k/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/or1k/libc_malloc_debug.abilist
> > index 0acf98fc6f..4e1379004a 100644
> > --- a/sysdeps/unix/sysv/linux/or1k/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/or1k/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.35 posix_memalign F
> > GLIBC_2.35 pvalloc F
> > GLIBC_2.35 realloc F
> > GLIBC_2.35 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> > index 883e66f3ae..9fc3b9f1be 100644
> > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> > @@ -3152,6 +3152,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> > +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> > index 84cd9e0e18..6efafcd8c0 100644
> > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> > @@ -3197,6 +3197,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> > +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> > index 8832568ab3..84074d7f0b 100644
> > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> > @@ -2906,6 +2906,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> > index 9f54dfd562..69abe86856 100644
> > ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> > +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.3 pvalloc F
> > GLIBC_2.3 realloc F
> > GLIBC_2.3 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> > index b6ff8016e4..2912182f7f 100644
> > --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> > @@ -2982,6 +2982,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> > index c82c88dcf7..c8665bef4e 100644
> > ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> > +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.17 pvalloc F
> > GLIBC_2.17 realloc F
> > GLIBC_2.17 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> > index 1771a2370c..1c5730c3a3 100644
> > --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> > @@ -2526,6 +2526,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> > index ff6713a479..2b6394df79 100644
> > --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.33 posix_memalign F
> > GLIBC_2.33 pvalloc F
> > GLIBC_2.33 realloc F
> > GLIBC_2.33 valloc F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> > index 4b48352fd9..ab981cac72 100644
> > --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> > @@ -2726,6 +2726,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> > index 65425a03ee..722ab61006 100644
> > --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc_malloc_debug.abilist
> > @@ -24,3 +24,5 @@ GLIBC_2.27 pvalloc F
> > GLIBC_2.27 realloc F
> > GLIBC_2.27 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> > index f0decc787b..a62b9af3ac 100644
> > --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> > @@ -3150,6 +3150,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> > index da8a2bfb74..896da04f76 100644
> > --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> > @@ -2943,6 +2943,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> > index 554567ab85..1ec5e806fd 100644
> > --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
> > GLIBC_2.2 realloc F
> > GLIBC_2.2 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> > index fb30341894..6734055891 100644
> > --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> > @@ -2842,6 +2842,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> > index 8798ca8653..a20fdc077e 100644
> > --- a/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/sh/be/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
> > GLIBC_2.2 realloc F
> > GLIBC_2.2 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> > index d716673432..fb7b9f940b 100644
> > --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> > @@ -2839,6 +2839,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> > index 8798ca8653..a20fdc077e 100644
> > --- a/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/sh/le/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
> > GLIBC_2.2 realloc F
> > GLIBC_2.2 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> > index 6deedf216d..3ca27da0ef 100644
> > --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> > @@ -3171,6 +3171,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> > index 55ef952885..0a44173963 100644
> > --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 mcheck_check_all F
> > GLIBC_2.2 mcheck_pedantic F
> > GLIBC_2.2 posix_memalign F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> > index 1ce22bf036..b1387062bc 100644
> > --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> > @@ -2807,6 +2807,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 tcgetattr F
> > GLIBC_2.42 tcsetattr F
> > diff --git
> a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> > index 554567ab85..1ec5e806fd 100644
> > --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2 pvalloc F
> > GLIBC_2.2 realloc F
> > GLIBC_2.2 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> > index 564877250b..a62fb3874b 100644
> > --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> > @@ -2758,6 +2758,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> > index 45dfcd31c5..5cce5f4ee4 100644
> > --- a/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.2.5 pvalloc F
> > GLIBC_2.2.5 realloc F
> > GLIBC_2.2.5 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> > index 25a39d0943..02cf0375e2 100644
> > --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> > +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> > @@ -2777,6 +2777,8 @@ GLIBC_2.42 cfsetispeed F
> > GLIBC_2.42 cfsetobaud F
> > GLIBC_2.42 cfsetospeed F
> > GLIBC_2.42 cfsetspeed F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> > GLIBC_2.42 pthread_gettid_np F
> > GLIBC_2.42 uabs F
> > GLIBC_2.42 uimaxabs F
> > diff --git
> a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> > index 821525018b..b01ae6b82e 100644
> > --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> > +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc_malloc_debug.abilist
> > @@ -26,3 +26,5 @@ GLIBC_2.16 pvalloc F
> > GLIBC_2.16 realloc F
> > GLIBC_2.16 valloc F
> > GLIBC_2.33 mallinfo2 F
> > +GLIBC_2.42 free_aligned_sized F
> > +GLIBC_2.42 free_sized F
> >
>
>
> --
> PD Dr. Andreas K. Huettel
> Institute for Experimental and Applied Physics
> University of Regensburg
> 93040 Regensburg
> Germany
>
> tel. +49 151 241 67748 <+49%201512%204167748> (mobile)
> tel. +49 941 943 1618 <+49%20941%209431618> (office)
> e-mail andreas.huettel@ur.de
> https://www.akhuettel.de/
> https://www.akhuettel.de/group/
--
[image: Google Logo]
Justin King
Software Engineer
jcking@google.com
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