re PR driver/61065 ([4.9/4.10 Regresion] invalid args to -fsanitize should be an…

re PR driver/61065 ([4.9/4.10 Regresion] invalid args to -fsanitize should be an error not a warning)

	PR driver/61065
	* opts.c (common_handle_option): Call error_at instead of warning_at.

From-SVN: r210080

gcc/ChangeLog

+2014-05-05  Marek Polacek  <polacek@redhat.com>
+
+	PR driver/61065
+	* opts.c (common_handle_option): Call error_at instead of warning_at.
+
 2014-05-05  Richard Biener  <rguenther@suse.de>
 
 	* passes.c (execute_function_todo): Don't reset TODO_verify_ssa

gcc/opts.c

@@ -1495,9 +1495,9 @@ common_handle_option (struct gcc_options *opts,
 		}
 
 	    if (! found)
-	      warning_at (loc, 0,
-			  "unrecognized argument to -fsanitize= option: %q.*s",
-			  (int) len, p);
+	      error_at (loc,
+			"unrecognized argument to -fsanitize= option: %q.*s",
+			(int) len, p);
 
 	    if (comma == NULL)
 	      break;