g++.dg/tree-ssa/ehcleanup-1.C: New testcase.

From-SVN: r146603

gcc/testsuite/ChangeLog

+2009-04-22  Jan Hubicka  <jh@suse.cz>
+
+	* g++.dg/tree-ssa/ehcleanup-1.C: New testcase.
+
 2009-04-22  Steve Ellcey  <sje@cup.hp.com>
 
 	PR testsuite/39623

gcc/testsuite/g++.dg/tree-ssa/ehcleanup-1.C

+// { dg-options "-O2 -fdump-tree-ehcleanup1" }
+extern void can_throw ();
+class a
+{
+public:
+  ~a ()
+  {
+    if (0)
+      can_throw ();
+  }
+};
+void
+t (void)
+{
+  class a a;
+  can_throw ();
+}
+// We ought to remove implicit cleanup, since destructor is empty. 
+// { dg-final { scan-tree-dump-times "Empty EH handler" 1 "ehcleanup1" } }
+//
+// And as a result also contained control flow.
+// { dg-final { scan-tree-dump-times "Removing unreachable" 1 "ehcleanup1" } }
+//
+// { dg-final { cleanup-tree-dump "ehcleanup1" } }