[Bug tree-optimization/28839] [4.2 Regression] ICE in tree-vectorizer.c with -O2 -ftree-vectorize -funswitch-loops

[rakdver at gcc dot gnu dot org]

------- Comment #8 from rakdver at gcc dot gnu dot org  2006-08-31 19:34 -------
Subject: Bug 28839

Author: rakdver
Date: Thu Aug 31 19:33:56 2006
New Revision: 116605

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116605
Log:
        PR tree-optimization/28839
        * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
        blocks in that phi arguments appear.

        * gcc.dg/pr28839.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr28839.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-into-ssa.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28839