re PR sanitizer/79168 (libtsan fails to link when cross compiling GCC tip for Aarch64...

re PR sanitizer/79168 (libtsan fails to link when cross compiling GCC tip for Aarch64 target)

	PR sanitizer/79168
	* merge.sh (change_comment_headers): Don't remove 2nd and 3rd line
	if the 3rd line doesn't contain 'The LLVM Compiler Infrastructure'
	text.
	* sanitizer_common/sanitizer_linux_mips64.S: Regenerated.
	* sanitizer_common/sanitizer_linux_x86_64.S: Likewise.
	* tsan/tsan_ppc_regs.h: Likewise.
	* tsan/tsan_rtl_aarch64.S: Likewise.
	* tsan/tsan_rtl_mips64.S: Likewise.
	* tsan/tsan_rtl_ppc64.S: Likewise.

From-SVN: r244844