gas/testsuite/
* lib/gas-defs.exp (regexp_diff): Pass test if last line is "#...".
ld/testsuite/
* lib/ld-lib.exp (regexp_diff): Pass test if last line is "#...".
* ld-elfweak/elfweak.exp: Run size2.d.
* ld-elfwaek/size2.d: New file.
* ld-elfwaek/size2a.s: New file.
* ld-elfwaek/size2b.s: New file.
* config/default.exp (gcc_ld_flag): New. Make the newly built
linker available to gcc.
* lib/ld-lib.exp (default_ld_simple_link): Pass $gcc_ld_flag
to gcc.
* ld-elfvers/vers.exp: Use "ld_simple_link $CC" to build shared
libraries.
* ld-elfvsb/elfvsb.exp: Likewise.
* ld-elfweak/elfweak.exp: Likewise.
* ld-shared/shared.exp: Likewise.
* ld-elfvers/vers.exp: Use "-Wl,-rpath,." to build shared
libraries.
* ld-elfvsb/elfvsb.exp: Likewise.
* ld-elfvsb/elfvsb.exp: Remove xfail for powerpc-*-linux*.
* ld-elfweak/elfweak.exp: Use PIC for shared libraries.