[PATCH] libiberty: sync with gcc

[Tom Tromey]

>>>>> "Sam" == Sam James <sam@gentoo.org> writes:

Sam> This imports the following commits from GCC as of r15-5375-gbeec291225be9b:
Sam> 	94bea5dd6c9a libiberity: ANSIfy test-demangle.c
Sam> 	aa84020b2edb libiberty: Fix comment typos
Sam> 	c1b2100e736c libiberty: Restore build with CP_DEMANGLE_DEBUG defined
Sam> 	bb8dd0980b39 libiberty: Fix up > 64K section handling in simple_object_elf_copy_lto_debug_section [PR116614]
Sam> ---
Sam> OK? This primarily fixes a C23 issue in test-demangle.c.

Thank you.  Please check this in.
Approved-By: Tom Tromey <tom@tromey.com>

Tom