[Bug tree-optimization/48641] [4.7 Regression] ICE: verify_flow_info failed: Wrong frequency of block 77 -419530 with -O -fno-tree-ccp -fno-tree-copy-prop

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48641

--- Comment #5 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-12-27 
10:42:01 UTC ---
Author: hubicka
Date: Tue Dec 27 10:41:58 2011
New Revision: 182693

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182693
Log:

    PR middle-end/48641 
    * tree-ssa-threadupdate.c (redirect_edges): Watch for overflow.
    * gcc.dg/compile/pr48641.c: New file.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr48641.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadupdate.c