Enable out-of-line definitions of C++ constructors and destructors

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60947 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/constructor.cpp b/test/SemaCXX/constructor.cpp
index fc398e2..4c4d67f 100644
--- a/test/SemaCXX/constructor.cpp
+++ b/test/SemaCXX/constructor.cpp
@@ -18,3 +18,6 @@
 
   int Foo(int, int); // expected-error{{constructor cannot have a return type}}
 };
+
+Foo::Foo(const Foo&) { }
+