2012-04-10  Jason Merrill  <jason@redhat.com>

	Red Hat BZ 750545
	* method.c (locate_dtor): Lazily declare the destructor.

--- gcc/cp/method.c
+++ gcc/cp/method.c
@@ -870,6 +870,8 @@ synthesize_exception_spec (tree type, tr
 tree
 locate_dtor (tree type, void *client ATTRIBUTE_UNUSED)
 {
+  if (CLASSTYPE_LAZY_DESTRUCTOR (type))
+    lazily_declare_fn (sfk_destructor, type);
   return CLASSTYPE_DESTRUCTORS (type);
 }
 
--- gcc/testsuite/g++.dg/eh/dtor3.C
+++ gcc/testsuite/g++.dg/eh/dtor3.C
@@ -0,0 +1,36 @@
+// Red Hat bug 750545
+// { dg-do run }
+
+class excep {};
+class A
+{
+public:
+  ~A() { throw excep(); }
+};
+
+class B
+{
+  A a;
+};
+
+class C
+{
+  B b;
+};
+
+void f()
+{
+  C* c = new C();
+
+  try
+  {
+    delete c;
+  }
+  catch(...)
+  {}
+}
+
+int main()
+{
+  f();
+}