bootstrap broke in 4.2

[Mike Stump]

On Mar 13, 2007, at 6:02 PM, Mike Stump wrote:
> ../../gcc/gcc/var-tracking.c: In function ‘variable_tracking_main’:
> ../../gcc/gcc/var-tracking.c:2961: warning: assuming signed overflow  
> does not occur when assuming that (X - c) >= X is always true
> ../../gcc/gcc/var-tracking.c:2961: warning: assuming signed overflow  
> does not occur when assuming that (X - c) >= X is always true
> make[3]: *** [var-tracking.o] Error 1

--- c-opts.c.~1~	2007-03-12 15:58:36.000000000 -0700
+++ c-opts.c	2007-03-13 18:18:30.000000000 -0700
@@ -434,7 +434,9 @@ c_common_handle_option (size_t scode, co
  	warn_sign_compare = value;
        warn_switch = value;
        warn_strict_aliasing = value;
-      warn_strict_overflow = value;
+      /* APPLE LOCAL breaks the build */
+      /* MERGE FIXME */
+      /* warn_strict_overflow = value; */
        warn_address = value;

        /* Only warn about unknown pragmas that are not in system

lets it build.