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2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> 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. From-SVN: r120151
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