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();

+}