re PR c/12951 (-Wno-error-implicit-function-declaration not recognized)

	PR c/12951
	* doc/invoke.texi: Document that
	-Wno-error-implicit-function-declaration is not accepted.

From-SVN: r88080

gcc/ChangeLog

+2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	PR c/12951
+	* doc/invoke.texi: Document that
+	-Wno-error-implicit-function-declaration is not accepted.
+
 2004-09-24  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.

gcc/doc/invoke.texi

@@ -2289,7 +2289,8 @@ Warn when a declaration does not specify a type.
 @opindex Wimplicit-function-declaration
 @opindex Werror-implicit-function-declaration
 Give a warning (or error) whenever a function is used before being
-declared.
+declared.  The form @option{-Wno-error-implicit-function-declaration}
+is not supported.
 
 @item -Wimplicit
 @opindex Wimplicit