[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331



--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2012-11-27 
09:20:07 UTC ---

Author: rguenth

Date: Tue Nov 27 09:20:02 2012

New Revision: 193839



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193839

Log:

2012-11-27  Richard Biener  <rguent...@suse.de>



    PR middle-end/55331

    * gimple-fold.c (gimplify_and_update_call_from_tree): Replace

    stmt with a NOP instead of removing it.



    * g++.dg/opt/pr55331.C: New testcase.



Added:

    trunk/gcc/testsuite/g++.dg/opt/pr55331.C

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/gimple-fold.c

    trunk/gcc/testsuite/ChangeLog