[Bug tree-optimization/54986] [4.7 regression] segfault on constant initialized to object address at -O

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54986



--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-11-05 
21:41:39 UTC ---

Author: ebotcazou

Date: Mon Nov  5 21:41:32 2012

New Revision: 193189



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193189

Log:

    PR tree-optimization/54986

    * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op

    conversions on entry but add them back on exit if needed.



Added:

    branches/gcc-4_7-branch/gcc/testsuite/g++.dg/torture/20121105-1.C

      - copied unchanged from r193188,

trunk/gcc/testsuite/g++.dg/torture/20121105-1.C

Modified:

    branches/gcc-4_7-branch/gcc/ChangeLog

    branches/gcc-4_7-branch/gcc/gimple-fold.c

    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog