2008-05-06 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / flags.h

diff --git a/gcc/flags.h b/gcc/flags.h
index 686691c..e759695 100644 (file)
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -332,6 +332,9 @@ extern bool flag_instrument_functions_exclude_p (tree fndecl);
 #define TYPE_OVERFLOW_TRAPS(TYPE) \
   (!TYPE_UNSIGNED (TYPE) && flag_trapv)
 
+/* True if pointer types have undefined overflow.  */
+#define POINTER_TYPE_OVERFLOW_UNDEFINED (flag_strict_overflow)
+
 /* Names for the different levels of -Wstrict-overflow=N.  The numeric
    values here correspond to N.  */