[Bug middle-end/52045] [4.7 Regression] ICE: in execute_todo, at passes.c:1748 with -O3 -ftracer -fno-tree-ccp -fno-tree-copy-prop -fno-tree-dce and stpcpy_chk()

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52045

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-30 13:40:32 UTC ---
Author: rguenth
Date: Mon Jan 30 13:40:24 2012
New Revision: 183722

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183722
Log:
2012-01-30  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/52045
    * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
    SSA form if cfgcleanup did anything.

    * gcc.dg/pr52045.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr52045.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-optimize.c