Added a test for free functions with an indirect return type.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

tests/Basic/Basic.cpp

@@ -88,3 +88,8 @@ Bar operator+(const Bar& b1, const Bar& b2)
     b.B = b1.B + b2.B;
     return b;
 }
+
+Bar indirectReturn()
+{
+    return Bar();
+}

tests/Basic/Basic.h

@@ -74,3 +74,5 @@ public:
 DLL_API Bar operator+(const Bar &, const Bar &);
 
 int DLL_API unsafeFunction(const Bar& ret, char* testForString, void (*foo)(int));
+
+DLL_API Bar indirectReturn();