In Microsoft mode, make "Unqualified lookup into dependent bases of class templates" works inside default argument instantiation.

This is a little bit tricky because during default argument instantiation the CurContext points to a CXXMethodDecl but we can't use the keyword this or have an implicit member call generated.

This fixes 2 errors when parsing MFC code with clang.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144881 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 1 deletions

diff --git a/test/SemaTemplate/ms-lookup-template-base-classes.cpp b/test/SemaTemplate/ms-lookup-template-base-classes.cpp
index 149ec4f8e9..cc5edf7997 100644
--- a/test/SemaTemplate/ms-lookup-template-base-classes.cpp
+++ b/test/SemaTemplate/ms-lookup-template-base-classes.cpp
@@ -65,9 +65,36 @@ class B : public A<T> {
 public:
   static void z2(){
     static_func();  // expected-warning {{use of identifier 'static_func' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
-	  func(); // expected-warning {{use of identifier 'func' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}} expected-error {{call to non-static member function without an object argument}}
+    func(); // expected-warning {{use of identifier 'func' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}} expected-error {{call to non-static member function without an object argument}}
   }
 };
 template class B<int>; // expected-note {{requested here}}
 
 } 
+
+
+
+namespace lookup_dependent_base_class_default_argument {
+
+template<class T>
+class A {
+public:
+  static int f1(); // expected-note {{must qualify identifier to find this declaration in dependent base class}} 
+  int f2(); // expected-note {{must qualify identifier to find this declaration in dependent base class}} 
+};
+
+template<class T>
+class B : public A<T> {
+public:
+  void g1(int p = f1());// expected-warning {{use of identifier 'f1' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
+  void g2(int p = f2());// expected-warning {{use of identifier 'f2' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}} expected-error {{call to non-static member function without an object argument}}
+};
+
+void foo()
+{
+	B<int> b;
+	b.g1(); // expected-note {{required here}}
+	b.g2(); // expected-note {{required here}}
+}
+
+}
\ No newline at end of file