r117334 - in /trunk/gcc: ChangeLog c-opts.c c-t...

[jsm28@gcc.gnu.org]

Author: jsm28
Date: Sat Sep 30 19:46:06 2006
New Revision: 117334

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117334
Log:
	PR c/24010
	* c.opt (Woverride-init): New.
	* c-opts.c (c_common_post_options): Default warn_override_init to
	extra_warnings.
	* c-typeck.c (add_pending_init, output_init_element): Warn for
	overriding initializers without side effects.
	* doc/invoke.texi (-Woverride-init): Document.
	(-Wextra): Update.

testsuite:
	* gcc.dg/Woverride-init-1.c, gcc.dg/Woverride-init-2.c,
	gcc.dg/Woverride-init-3.c: New tests.

Added:
    trunk/gcc/testsuite/gcc.dg/Woverride-init-1.c
    trunk/gcc/testsuite/gcc.dg/Woverride-init-2.c
    trunk/gcc/testsuite/gcc.dg/Woverride-init-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-opts.c
    trunk/gcc/c-typeck.c
    trunk/gcc/c.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog