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Alan Modra 4e95fbcd79 PowerPC64 dot-sym testsuite fixes

This illustrates quite well why dot-symbols had to go.  PowerPC64 gcc
for Linux stopped producing them 12 years ago, but the Linux kernel
still persists in using them so it's necessary to keep and
regression test ld support.

	* testsuite/ld-elf/indirect1b.c: Give dot-symbol a version too.
	* testsuite/ld-elf/indirect2.c: Likewise.
	* testsuite/ld-elf/indirect3b.c: Likewise.
	* testsuite/ld-elf/indirect4b.c: Likewise.
	* testsuite/ld-elf/pr18718.c: Likewise.
	* testsuite/ld-elf/pr18720b.c: Likewise.
	* testsuite/ld-elf/pr19553c.c: Likewise.
	* testsuite/ld-elfvers/vers.h (FUNC_SYMVER): Define.
	* testsuite/ld-elfvers/vers1.c: Use FUNC_SYMVER for functions.
	* testsuite/ld-elfvers/vers4.c: Likewise.
	* testsuite/ld-elfvers/vers5.c: Likewise.
	* testsuite/ld-elfvers/vers6.c: Likewise.
	* testsuite/ld-elfvers/vers7a.c: Likewise.
	* testsuite/ld-elfvers/vers9.c: Likewise.
	* testsuite/ld-elfvers/vers15.c: Likewise.
	* testsuite/ld-elfvers/vers18.c: Likewise.
	* testsuite/ld-elfvers/vers22a.c: Likewise.
	* testsuite/ld-elfvers/vers23a.c: Likewise.
	* testsuite/ld-elfvers/vers27d1.c: Likewise.
	* testsuite/ld-elfvers/vers21.c: Likewise.
	(_old_bar): Use attribute weak rather than asm weak.
	* testsuite/ld-ifunc/pr16467b.c: Give dot-symbol a version.
	* testsuite/ld-plugin/pr12760b.c: Define warning on .bar rather than
	bar for ppc64 -mcall-aixdesc.
	* testsuite/ld-plugin/pr16746a.c: Similarly for foobar.
	* testsuite/ld-plugin/pr16746b.c: Likewise.
	* testsuite/ld-elf/shared.exp: Allow dot-symbol in warnings and errors.
	* testsuite/ld-plugin/lto.exp: Likewise.
	* testsuite/ld-plugin/plugin-6.d: Likewise.
	* testsuite/ld-plugin/plugin-7.d: Likewise.
	* testsuite/ld-plugin/plugin-8.d: Likewise.
	* testsuite/ld-plugin/plugin-13.d: Likewise.
	* testsuite/ld-plugin/plugin-14.d: Likewise.
	* testsuite/ld-plugin/plugin-15.d: Likewise.
	* testsuite/ld-plugin/plugin-16.d: Likewise.
	* testsuite/ld-plugin/plugin-20.d: Likewise.
	* testsuite/ld-plugin/plugin-21.d: Likewise.
	* testsuite/ld-plugin/plugin-22.d: Likewise.
	* testsuite/ld-plugin/plugin-23.d: Likewise.
	* testsuite/ld-plugin/plugin.exp: Define .main and .puts for ppc64
	-mcall-aixdesc.
	* testsuite/ld-elfvers/vers.exp (test_ar): Trim dot-symbols.
	(objdump_dynsymstuff): Likewise.
	(objdump_symstuff): Likewise.  Pack flags to keep column count
	consistent.
	* testsuite/ld-elfweak/elfweak.exp (objdump_dynsymstuff,
	objdump_symstuff): As for vers.exp.
	* testsuite/ld-elfvers/vers6.sym: Allow dot-symbols.
	* testsuite/ld-elfvers/vers1.sym: Allow missing F flag for
	-mcall-aixdesc .opd syms and adjust for flag packing.
	* testsuite/ld-elfvers/vers4.sym: Likewise.
	* testsuite/ld-elfvers/vers4a.sym: Likewise.
	* testsuite/ld-elfvers/vers7a.sym: Likewise.
	* testsuite/ld-elfvers/vers9.sym: Likewise.
	* testsuite/ld-elfvers/vers15.sym: Likewise.
	* testsuite/ld-elfvers/vers18.sym: Likewise.
	* testsuite/ld-elfvers/vers21.sym: Likewise.
	* testsuite/ld-elfvers/vers22a.sym: Likewise.
	* testsuite/ld-elfvers/vers23a.sym: Likewise.
	* testsuite/ld-elfvers/vers27d.sym: Likewise.
	* testsuite/ld-elfweak/strong.sym: Likewise.
	* testsuite/ld-elfweak/strongcomm.sym: Likewise.
	* testsuite/ld-elfweak/strongdata.sym: Likewise.

2016-12-03 20:59:43 +10:30

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[0-9a-f]+ g(F +\.text|F? +\.opd) [0-9a-f]+ (0x[0-9a-f]+ )?_?foo@@VERS_2\.0