[Bug tree-optimization/43655] [4.5/4.6 Regression] -ftree-ter causes FAIL: g++.old-deja/g++.law/temps5.C execution test

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43655

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-16 
21:44:05 UTC ---
Author: jakub
Date: Thu Dec 16 21:44:02 2010
New Revision: 167955

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167955
Log:
    PR tree-optimization/43655
    * tree-ssa-ter.c (is_replaceable_p): Don't use
    gimple_references_memory_p for -O0, instead check for load
    by looking at rhs.

    * g++.dg/opt/pr43655.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr43655.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ter.c