[Bug middle-end/68002] retaining unused static functions at -O1

[vondele at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68002

--- Comment #2 from vondele at gcc dot gnu.org ---
Author: vondele
Date: Mon Oct 19 10:24:37 2015
New Revision: 228965

URL: https://gcc.gnu.org/viewcvs?rev=228965&root=gcc&view=rev
Log:
Fix PR68002, add -fkeep-static-functions

gcc/ChangeLog:

2015-10-17  Joost VandeVondele  <vond...@gnu.gcc.org>

        PR middle-end/68002
        * common.opt (fkeep-static-functions): New option.
        * doc/invoke.texi: Document it.
        * cgraphunit.c (cgraph_node::finalize_function): Use it.

gcc/testsuite/ChangeLog:

2015-10-17  Joost VandeVondele  <vond...@gnu.gcc.org>

        PR middle-end/68002
        * gcc.dg/PR68002.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/PR68002.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraphunit.c
    trunk/gcc/common.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog