[Bug c/32102] -Wall stomps on -Wstrict-overflow

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

------- Comment #12 from manu at gcc dot gnu dot org  2008-01-22 14:12 -------
Subject: Bug 32102

Author: manu
Date: Tue Jan 22 14:11:44 2008
New Revision: 131720

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131720
Log:
2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 32102
        * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
        * flags.h (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * opts.c (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * c-opts.c (c_common_handle_option): -Wall only sets
        -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
        (c_common_post_options): Give default values to -Wstrict-aliasing
        and -Wstrict-overflow if they are uninitialized.
        * common.opt (Wstrict-aliasing): Specify Var and Init.
        (Wstrict-overflow): Likewise.

testsuite/
        * gcc.dg/Wstrict-overflow-21.c: New.
        * g++.dg/warn/Wstrict-aliasing-8.C: New.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-opts.c
    trunk/gcc/common.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/flags.h
    trunk/gcc/opts.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32102