[Bug tree-optimization/38645] [4.4 Regression] ICE with volatile

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2008-12-30 21:21 -------
Subject: Bug 38645

Author: rguenth
Date: Tue Dec 30 21:20:08 2008
New Revision: 142967

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142967
Log:
2008-12-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38645
        * tree-ssa-ccp.c (fold_gimple_assign): Use the correct pointer
        type.
        * tree-ssa-dom.c (cprop_operand): Simplify.  Do not propagate
        volatileness changing operands.

        * gcc.dg/pr38645.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr38645.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c
    trunk/gcc/tree-ssa-dom.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38645