+2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
+ (Wconversion): Update description.
+ (Wconversion-sign): New.
+ * c.opt (Wconversion-sign): New.
+ * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
+ means disabled for C++. Otherwise, take the status of Wconversion.
+ * c-common.c (conversion_warning): Warn with either Wconversion or
+ Wconversion-sign.
+ (warnings_for_convert_and_check): Conditions are already checked by
+ conversion_warning.
+ (convert_and_check): Don't check warnings if the conversion failed.
+
2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
Anatoly Sokolov <aesok@dol.ru>