re PR sanitizer/60557 (UBSAN: ICE after ubsan_expand_null_ifn)

	PR sanitizer/60557
	* ubsan.c (ubsan_instrument_unreachable): Call
	initialize_sanitizer_builtins.
	(ubsan_pass): Likewise.

From-SVN: r208652

gcc/ChangeLog

 2014-03-18  Jakub Jelinek  <jakub@redhat.com>
 
+	PR sanitizer/60557
+	* ubsan.c (ubsan_instrument_unreachable): Call
+	initialize_sanitizer_builtins.
+	(ubsan_pass): Likewise.
+
 	PR sanitizer/60535
 	* ubsan.c (ubsan_type_descriptor, ubsan_create_data): Call
 	varpool_finalize_decl instead of rest_of_decl_compilation.

gcc/ubsan.c

@@ -512,6 +512,7 @@ ubsan_create_data (const char *name, location_t loc,
 tree
 ubsan_instrument_unreachable (location_t loc)
 {
+  initialize_sanitizer_builtins ();
   tree data = ubsan_create_data ("__ubsan_unreachable_data", loc, NULL,
 				 NULL_TREE);
   tree t = builtin_decl_explicit (BUILT_IN_UBSAN_HANDLE_BUILTIN_UNREACHABLE);
@@ -847,6 +848,8 @@ ubsan_pass (void)
   basic_block bb;
   gimple_stmt_iterator gsi;
 
+  initialize_sanitizer_builtins ();
+
   FOR_EACH_BB_FN (bb, cfun)
     {
       for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi);)