Hello.

Following patch fixes the issue where we do not emit ifunc and resolver
for function that are not called in a compilation unit or and not
referenced.

Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
i386.exp tests work on x86_64-linux-gnu.

Ready to be installed?
Martin

gcc/testsuite/ChangeLog:

2017-06-29  Martin Liska  <mliska@suse.cz>

	PR ipa/81214
	* gcc.target/i386/pr81214.c: New test.

gcc/ChangeLog:

2017-06-29  Martin Liska  <mliska@suse.cz>

	PR ipa/81214
	* multiple_target.c (create_dispatcher_calls): Make ifunc
	also for function that don't have calls or are not referenced.
---
 gcc/multiple_target.c                   | 64 ++++++++++++++++-----------------
 gcc/testsuite/gcc.target/i386/pr81214.c | 14 ++++++++
 2 files changed, 46 insertions(+), 32 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/i386/pr81214.c