[binutils-gdb] Skip gc-sections if relocation is incompatible

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT b19a8f8545100a08ee2a64c05631aff6f651faa1 ***

Author: H.J. Lu <hjl.tools@gmail.com>
Branch: master
Commit: b19a8f8545100a08ee2a64c05631aff6f651faa1

Skip gc-sections if relocation is incompatible
This patch skips gc-sections if input relocation is incompatible with
output.

bfd/

	PR ld/18160
	* elflink.c (elf_gc_sweep): Skip if relocation is incompatible.
	(bfd_elf_gc_sections): Likewise.

ld/testsuite/

	PR ld/18160
	* ld-x86-64/pr18160.d: New file.
	* ld-x86-64/pr18160.s: Likewise.
	* ld-x86-64/pr18160.t: Likewise.
	* ld-x86-64/x86-64.exp: Run pr18160.