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[Bug tree-optimization/48734] [4.6/4.7 Regression] ICE in eliminate_redundant_comparison, at tree-ssa-reassoc.c:1321


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48734

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-26 13:33:55 UTC ---
Author: jakub
Date: Tue Apr 26 13:33:49 2011
New Revision: 172967

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172967
Log:
    PR tree-optimization/48734
    * tree-ssa-reassoc.c (eliminate_redundant_comparison): Give up
    if return value from maybe_fold_*_comparsions isn't something
    the code is prepared to handle.

    * gcc.c-torture/compile/pr48734.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr48734.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-reassoc.c


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