varasm.c (make_decl_rtl_for_debug): Also clear flag_mudflap for the duration of make_decl_rtl call.

	* varasm.c (make_decl_rtl_for_debug): Also clear
	flag_mudflap for the duration of make_decl_rtl call.

From-SVN: r157621

gcc/ChangeLog

 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
 
+	* varasm.c (make_decl_rtl_for_debug): Also clear
+	flag_mudflap for the duration of make_decl_rtl call.
+
 	PR debug/43443
 	* var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
 	locs from preserved VALUEs.

gcc/varasm.c

@@ -1484,7 +1484,7 @@ make_decl_rtl (tree decl)
 rtx
 make_decl_rtl_for_debug (tree decl)
 {
-  unsigned int save_aliasing_flag;
+  unsigned int save_aliasing_flag, save_mudflap_flag;
   rtx rtl;
 
   if (DECL_RTL_SET_P (decl))
@@ -1495,9 +1495,12 @@ make_decl_rtl_for_debug (tree decl)
      we do not want to create alias sets that will throw the alias
      numbers off in the comparison dumps.  So... clearing
      flag_strict_aliasing will keep new_alias_set() from creating a
-     new set.  */
+     new set.  It is undesirable to register decl with mudflap
+     in this case as well.  */
   save_aliasing_flag = flag_strict_aliasing;
   flag_strict_aliasing = 0;
+  save_mudflap_flag = flag_mudflap;
+  flag_mudflap = 0;
 
   rtl = DECL_RTL (decl);
   /* Reset DECL_RTL back, as various parts of the compiler expects
@@ -1505,6 +1508,7 @@ make_decl_rtl_for_debug (tree decl)
   SET_DECL_RTL (decl, NULL);
 
   flag_strict_aliasing = save_aliasing_flag;
+  flag_mudflap = save_mudflap_flag;
 
   return rtl;
 }