http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54902



--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-25 
11:05:49 UTC ---

Author: rguenth

Date: Thu Oct 25 11:05:43 2012

New Revision: 192803



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192803

Log:

2012-10-25  Richard Biener  <rguent...@suse.de>



    PR tree-optimization/54902

    * tree-ssa-pre.c (fini_pre): Return TODO.

    (execute_pre): Adjust.

    * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable

    blocks before computing dominators.



    * g++.dg/torture/pr54902.C: New testcase.



Added:

    branches/gcc-4_7-branch/gcc/testsuite/g++.dg/torture/pr54902.C

Modified:

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

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

    branches/gcc-4_7-branch/gcc/tree-ssa-pre.c

    branches/gcc-4_7-branch/gcc/tree-ssa-tail-merge.c

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