1 files changed, 89 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/instantiate-anonymous-union.cpp b/clang/test/SemaTemplate/instantiate-anonymous-union.cpp
new file mode 100644
index 0000000..68b233a
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-anonymous-union.cpp
@@ -0,0 +1,89 @@
+// RUN: %clang_cc1 -fsyntax-only %s -Wall
+
+template <typename T> class A { struct { }; };
+
+A<int> a0;
+
+template <typename T> struct B {
+  union {
+    int a;
+    void* b;
+  };
+    
+  void f() {
+    a = 10;
+    b = 0;
+  }
+};
+
+B<int> b0;
+
+template <typename T> struct C {
+  union {
+    int a;
+    void* b;
+  };
+
+  C(int a) : a(a) { }
+  C(void* b) : b(b) { }
+};
+
+C<int> c0(0);
+
+namespace PR7088 {
+  template<typename T>
+  void f() { 
+    union { 
+      int a; 
+      union {
+        float real;
+        T d;
+      };
+    }; 
+
+    a = 17;
+    d = 3.14;
+  }
+
+  template void f<double>();
+}
+
+// Check for problems related to PR7402 that occur when template instantiation
+// instantiates implicit initializers.
+namespace PR7402 {
+  struct X {
+    union {
+      struct {
+        int x;
+        int y;
+      };
+      int v[2];
+    };
+
+    // Check that this requirement survives instantiation.
+    template <typename T> X(const T& t) : x(t), y(t) {}
+  };
+
+  X x(42.0);
+}
+
+namespace PR9188 {
+  struct X0 {
+    union {
+      int member;
+    };
+  };
+
+  static union {
+    int global;
+  };
+
+  struct X1 : X0 {
+    template<typename T>
+    int f() {
+      return this->X0::member + PR9188::global;
+    }
+  };
+
+  template int X1::f<int>();
+}