re PR c++/52248 (timevar ICE)

	PR c++/52248
	* decl.c (define_label): Use timevar_cond_start/stop.

From-SVN: r184329

gcc/cp/ChangeLog

+2012-02-16  Jason Merrill  <jason@redhat.com>
+
+	PR c++/52248
+	* decl.c (define_label): Use timevar_cond_start/stop.
+
 2012-02-16  Fabien Chêne  <fabien@gcc.gnu.org>
 
 	PR c++/52126

gcc/cp/decl.c

@@ -2947,9 +2947,9 @@ tree
 define_label (location_t location, tree name)
 {
   tree ret;
-  timevar_start (TV_NAME_LOOKUP);
+  bool running = timevar_cond_start (TV_NAME_LOOKUP);
   ret = define_label_1 (location, name);
-  timevar_stop (TV_NAME_LOOKUP);
+  timevar_cond_stop (TV_NAME_LOOKUP, running);
   return ret;
 }
 

gcc/testsuite/ChangeLog

+2012-02-16  Jason Merrill  <jason@redhat.com>
+
+	PR c++/52248
+	* g++.dg/ext/timevar1.C: New.
+
 2012-02-16  Fabien Chêne  <fabien@gcc.gnu.org>
 
 	PR c++/52126

gcc/testsuite/g++.dg/ext/timevar1.C

+// PR c++/52248
+// { dg-options "-ftime-report" }
+// { dg-prune-output "wall" }
+// { dg-prune-output "times" }
+// { dg-prune-output "TOTAL" }
+// { dg-prune-output "checks" }
+
+void
+foo ()
+{
+  goto lab;			// { dg-error "not defined" }
+}