[binutils-gdb] ARM STM32L4XX erratum test failure with MALLOC_PERTURB_

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b0f4fbf81a1cf67d49558b2e8890e5c8628f8403

commit b0f4fbf81a1cf67d49558b2e8890e5c8628f8403
Author: Alan Modra <amodra@gmail.com>
Date:   Wed May 22 18:29:20 2019 +0930

    ARM STM32L4XX erratum test failure with MALLOC_PERTURB_
    
    	* elf32-arm.c (arm_allocate_glue_section_space): Clear section
    	contents.

Diff:
---
 bfd/ChangeLog   | 5 +++++
 bfd/elf32-arm.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4f523fa..f2b2ec5 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,10 @@
 2019-05-22  Alan Modra  <amodra@gmail.com>
 
+	* elf32-arm.c (arm_allocate_glue_section_space): Clear section
+	contents.
+
+2019-05-22  Alan Modra  <amodra@gmail.com>
+
 	* vms-alpha.c (_bfd_vms_write_etir): Don't attempt further
 	processing on "size error in section".
 
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 7f08526..d35d609 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -7222,7 +7222,7 @@ arm_allocate_glue_section_space (bfd * abfd, bfd_size_type size, const char * na
   s = bfd_get_linker_section (abfd, name);
   BFD_ASSERT (s != NULL);
 
-  contents = (bfd_byte *) bfd_alloc (abfd, size);
+  contents = (bfd_byte *) bfd_zalloc (abfd, size);
 
   BFD_ASSERT (s->size == size);
   s->contents = contents;