[Bug tree-optimization/27548] [4.2 regression] ICE: SSA corruption - Conflict across an abnormal edge

[rakdver at gcc dot gnu dot org]

------- Comment #8 from rakdver at gcc dot gnu dot org  2006-05-17 11:33 -------
Subject: Bug 27548

Author: rakdver
Date: Wed May 17 11:33:00 2006
New Revision: 113853

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113853
Log:
        PR tree-optimization/27548
        * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
        range of ssa names that appear on abnormal edges.
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
        * tree-flow.h (contains_abnormal_ssa_name_p): Declare.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-scalar-evolution.c
    trunk/gcc/tree-ssa-loop-ivopts.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27548