Additional semantic checking for explicit template instantiations,

focusing on the scope- and qualifier-related semantic requirements in
C++ [temp.explicit]p2.

llvm-svn: 84154

1 files changed, 43 insertions, 0 deletions

diff --git a/clang/test/CXX/temp/temp.spec/temp.explicit/p2.cpp b/clang/test/CXX/temp/temp.spec/temp.explicit/p2.cpp
new file mode 100644
index 00000000000..aee0e5d19d5
--- /dev/null
+++ b/clang/test/CXX/temp/temp.spec/temp.explicit/p2.cpp
@@ -0,0 +1,43 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+// Example from the standard
+template<class T> class Array { void mf() { } }; 
+
+template class Array<char>; 
+template void Array<int>::mf();
+template<class T> void sort(Array<T>& v) { /* ... */ }
+template void sort(Array<char>&);
+namespace N { 
+  template<class T> void f(T&) { }
+} 
+template void N::f<int>(int&);
+
+
+template<typename T>
+struct X0 {
+  struct Inner {};
+  void f() { }
+  static T value;
+};
+
+template<typename T>
+T X0<T>::value = 17;
+
+typedef X0<int> XInt;
+
+template struct XInt::Inner; // expected-error{{template-id}}
+template void XInt::f(); // expected-error{{template-id}}
+template int XInt::value; // expected-error{{template-id}}
+
+namespace N {
+  template<typename T>
+  struct X1 { // expected-note{{explicit instantiation refers here}}
+  };
+  
+  template<typename T>
+  void f1(T); // expected-note{{explicit instantiation refers here}}
+}
+using namespace N;
+
+template struct X1<int>; // expected-error{{must occur in}}
+template void f1(int); // expected-error{{must occur in}}