When we emit a non-constant initializer for a global variable of
reference type, make sure that the initializer we build is the
of the appropriate type for the *reference*, not for the thing that it
refers to. Fixes PR7050.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103115 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/static-init-3.cpp b/test/CodeGenCXX/static-init-3.cpp
new file mode 100644
index 0000000..5bf76a6
--- /dev/null
+++ b/test/CodeGenCXX/static-init-3.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s
+
+// PR7050
+template<class T> struct X0 : public T { };
+
+template <class T>
+struct X1
+{
+ static T & instance;
+ // include this to provoke instantiation at pre-execution time
+ static void use(T const &) {}
+ static T & get() {
+ static X0<T> t;
+ use(instance);
+ return static_cast<T &>(t);
+ }
+};
+
+// CHECK: @_ZN2X1I2X2I1BEE8instanceE = weak global %struct.X0* null, align 8
+// CHECJ: @_ZN2X1I2X2I1AEE8instanceE = weak global %struct.X0* null, align 8
+template<class T> T & X1<T>::instance = X1<T>::get();
+
+class A { };
+class B : public A { };
+
+template<typename T> struct X2 {};
+X2< B > bg = X1< X2< B > >::get();
+X2< A > ag = X1< X2< A > >::get();