re PR middle-end/54649 (Go bootstrap failed)

2012-09-21  Dehao Chen  <dehao@google.com>

	PR go/54649
	PR tree-optimization/54655
	* g++.dg/pr54655.C: New testcase.

From-SVN: r191615

gcc/testsuite/ChangeLog

+2012-09-21  Dehao Chen  <dehao@google.com>
+
+	PR go/54649
+	PR tree-optimization/54655
+	* g++.dg/pr54655.C: New testcase.
+
 2012-09-21  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/54647

gcc/testsuite/g++.dg/pr54655.C

+// { dg-do compile }
+/* { dg-options "-O1" }  */
+
+extern "C" class A
+{
+};
+
+template <typename T> class B:A
+{
+public:
+    B (int *, T);
+    ~B ()
+    {
+    }
+};
+
+bool a;
+
+inline void
+fn1 ()
+{
+  switch (0)
+  case 0:
+  {
+    B <int*> b (0, 0);
+    if (a)
+      break;
+  }
+}
+
+void
+fn2 ()
+{
+  fn1 ();
+}