[Bug ipa/63909] [5 Regression] ICE: SIGSEGV in ipa_icf_gimple::func_checker::compare_bb()

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63909

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Dec 10 14:07:47 2014
New Revision: 218578

URL: https://gcc.gnu.org/viewcvs?rev=218578&root=gcc&view=rev
Log:
PR ipa/63909

        * gimple-iterator.h (gsi_start_bb_nondebug): New function.
    * ipa-icf-gimple.c (func_checker::compare_bb): Correct iteration
    replaces loop based on precomputed number of non-debug statements.
    * gcc.dg/ipa/pr63909.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/ipa/pr63909.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-iterator.h
    trunk/gcc/ipa-icf-gimple.c
    trunk/gcc/testsuite/ChangeLog