[Bug tree-optimization/34030] [4.1/4.2 Regression] ICE in in compare_values_warnv, at tree-vrp.c:701

[rguenth at gcc dot gnu dot org]

------- Comment #8 from rguenth at gcc dot gnu dot org  2007-11-16 21:35 -------
Subject: Bug 34030

Author: rguenth
Date: Fri Nov 16 21:34:39 2007
New Revision: 130238

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130238
Log:
2007-11-16  Richard Guenther  <[EMAIL PROTECTED]>

        PR middle-end/34030
        * fold-const.c (fold_binary): Use correct types for folding
        1 << X & Y to Y >> X & 1.

        * gcc.c-torture/compile/pr34030.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr34030.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34030