[Bug middle-end/7651] Define -Wextra strictly in terms of other warning flags

[manu at gcc dot gnu dot org]

------- Comment #10 from manu at gcc dot gnu dot org  2006-12-22 15:54 -------
Subject: Bug 7651

Author: manu
Date: Fri Dec 22 15:54:05 2006
New Revision: 120151

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=120151
Log:
2006-12-22  Manuel Lopez-Ibanez  <[EMAIL PROTECTED]>

        PR middle-end/7651
        * c.opt (Wclobbered): New.
        * doc/invoke.texi (Wclobbered): Document it.
        (Wextra): Enabled by -Wextra.
        * c-opts.c (c_common_post_options): Enabled by -Wextra.
        * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
        * function.c (setjmp_vars_warning): Only warn for Wclobbered.
        (setjmp_args_warning): Likewise.

testsuite/

        * gcc.dg/attr-returns_twice-1.c: Replace Wextra with Wclobbered.
        * gcc.dg/setjmp-1.c: Add explicit Wclobbered.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-opts.c
    trunk/gcc/c.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/flow.c
    trunk/gcc/function.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/attr-returns_twice-1.c
    trunk/gcc/testsuite/gcc.dg/setjmp-1.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7651