[Bug tree-optimization/34138] [4.3 Regression] verify_ssa failed (found real variable when subvariables should have appeared)

[rguenth at gcc dot gnu dot org]

------- Comment #11 from rguenth at gcc dot gnu dot org  2007-12-05 21:45 -------
Subject: Bug 34138

Author: rguenth
Date: Wed Dec  5 21:45:15 2007
New Revision: 130632

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130632
Log:
2007-12-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34138
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Do not forward propagate addresses if that changes volatileness of
        the pointed-to type.

        * gcc.c-torture/compile/pr34138.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr34138.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34138