re PR libffi/26048 (libffi doesn't build on Solaris 10/x86 with native assembler)

re PR libffi/26048 (libffi doesn't build on Solaris 10/x86 with native assembler)

	PR libffi/26048
	* configure.ac (HAVE_AS_X86_PCREL): New test.
	* configure: Regenerate.
	* fficonfig.h.in: Regenerate.
	* src/x86/sysv.S [!FFI_NO_RAW_API]: Precalculate
	RAW_CLOSURE_CIF_OFFSET, RAW_CLOSURE_FUN_OFFSET,
	RAW_CLOSURE_USER_DATA_OFFSET for the Solaris 10/x86 assembler.
	(.eh_frame): Only use SYMBOL-. iff HAVE_AS_X86_PCREL.
	* src/x86/unix64.S (.Lstore_table): Move to .text section.
	(.Lload_table): Likewise.
	(.eh_frame): Only use SYMBOL-. iff HAVE_AS_X86_PCREL.

From-SVN: r142835