[Bug middle-end/34739] [4.2 Regression] Need full backport of 28796

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #8 from rguenth at gcc dot gnu dot org  2008-01-22 14:46 -------
Subject: Bug 34739

Author: rguenth
Date: Tue Jan 22 14:45:56 2008
New Revision: 131723

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131723
Log:
2008-01-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34739
        Backport from mainline
        2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR c/34768
        * c-typeck.c (common_pointer_type): Do not merge inconsistent
        type qualifiers for function types.

        2007-11-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34070
        * fold-const.c (fold_binary): If testing for non-negative
        operands with tree_expr_nonnegative_warnv_p make sure to
        use op0 which has all (sign) conversions retained.

        2006-10-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28796
        * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
        and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
        for deciding optimizations in consistency with fold-const.c
        (fold_builtin_unordered_cmp): Likewise.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34070-1.c
      - copied unchanged from r130098,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34070-1.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34070-2.c
      - copied unchanged from r130098,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34070-2.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34768-1.c
      - copied unchanged from r131568,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34768-1.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr34768-2.c
      - copied unchanged from r131568,
trunk/gcc/testsuite/gcc.c-torture/execute/pr34768-2.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/pr28796-1.c
      - copied unchanged from r118001, trunk/gcc/testsuite/gcc.dg/pr28796-1.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/pr28796-2.c
      - copied unchanged from r118001, trunk/gcc/testsuite/gcc.dg/pr28796-2.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/builtins.c
    branches/gcc-4_2-branch/gcc/c-typeck.c
    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=34739