Skip version check for unreferenced and undefined symbol
authorH.J. Lu <hjl.tools@gmail.com>
Tue, 28 Jun 2016 15:08:04 +0000 (08:08 -0700)
committerH.J. Lu <hjl.tools@gmail.com>
Tue, 28 Jun 2016 15:08:30 +0000 (08:08 -0700)
No need to check version if symbol is unreferenced and undefined.

bfd/

PR ld/20306
* elflink.c (elf_link_check_versioned_symbol): Return false
for unreferenced undefined symbol.

ld/testsuite/

* testsuite/ld-gc/gc.exp: Run pr20306 test.
* ld-gc/pr20306.c: New file.
* ld-gc/pr20306.d: Likewise.


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