binutils-gdb/gold/testsuite/ver_test_pr16504_b.c

void
new_foo(void);
__asm__(".symver new_foo,foo@VER2");

static void (*resolve_foo(void)) (void)
{
  return new_foo;
}

void foo(void) __attribute__((ifunc("resolve_foo")));
Fix internal error caused by conflicting default version definitions. gold/ PR gold/16504 * dynobj.cc (Versions::symbol_section_contents): Don't set VERSYM_HIDDEN flag for undefined symbols. * symtab.cc (Symbol_table::add_from_object): Don't override default version definition with a different default version. * symtab.h (Symbol::from_dyn): New method. * testsuite/plugin_test.c (struct sym_info): Add ver field. (claim_file_hook): Pass symbol version to plugin API. (parse_readelf_line): Parse symbol version. * testsuite/Makefile.am (ver_test_pr16504): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/ver_test_pr16504.sh: New test script. * testsuite/ver_test_pr16504_a.c: New source file. * testsuite/ver_test_pr16504_a.script: New version script. * testsuite/ver_test_pr16504_b.c: New source file. * testsuite/ver_test_pr16504_b.script: New version script. 2018-04-24 00:27:35 +08:00			`void`
			`new_foo(void);`
			`__asm__(".symver new_foo,foo@VER2");`

			`static void (*resolve_foo(void)) (void)`
			`{`
			`return new_foo;`
			`}`

			`void foo(void) __attribute__((ifunc("resolve_foo")));`