[Bug tree-optimization/31136] [4.2 Regression] FRE ignores bit-field truncation (C and C++ front-end don't produce bit-field truncation

[rguenth at gcc dot gnu dot org]

------- Comment #16 from rguenth at gcc dot gnu dot org  2007-04-21 18:44 
-------
Subject: Bug 31136

Author: rguenth
Date: Sat Apr 21 18:43:57 2007
New Revision: 124019

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124019
Log:
2007-04-21  Richard Guenther  <[EMAIL PROTECTED]>

        PR middle-end/31136
        * fold-const.c (fold_unary): Call fold_convert_const on the
        original tree.

        * gcc.c-torture/execute/pr31136.c: New testcase.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr31136.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/fold-const.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31136