From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/SemaTemplate/explicit-instantiation.cpp | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 clang/test/SemaTemplate/explicit-instantiation.cpp

(limited to 'clang/test/SemaTemplate/explicit-instantiation.cpp')

diff --git a/clang/test/SemaTemplate/explicit-instantiation.cpp b/clang/test/SemaTemplate/explicit-instantiation.cpp
new file mode 100644
index 0000000..13d76be
--- /dev/null
+++ b/clang/test/SemaTemplate/explicit-instantiation.cpp
@@ -0,0 +1,107 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template void *; // expected-error{{expected unqualified-id}}
+
+template typedef void f0; // expected-error{{explicit instantiation of typedef}}
+
+int v0; // expected-note{{refers here}}
+template int v0; // expected-error{{does not refer}}
+
+template<typename T>
+struct X0 {
+  static T value;
+  
+  T f0(T x) {
+    return x + 1;  // expected-error{{invalid operands}}
+  } 
+  T* f0(T*, T*) { return T(); }
+  
+  template<typename U>
+  T f0(T, U) { return T(); }
+};
+
+template<typename T>
+T X0<T>::value; // expected-error{{no matching constructor}}
+
+template int X0<int>::value;
+
+struct NotDefaultConstructible { // expected-note{{candidate constructor (the implicit copy constructor)}}
+  NotDefaultConstructible(int); // expected-note{{candidate constructor}}
+};
+
+template NotDefaultConstructible X0<NotDefaultConstructible>::value; // expected-note{{instantiation}}
+
+template int X0<int>::f0(int);
+template int* X0<int>::f0(int*, int*);
+template int X0<int>::f0(int, float);
+
+template int X0<int>::f0(int) const; // expected-error{{does not refer}}
+template int* X0<int>::f0(int*, float*); // expected-error{{does not refer}}
+
+struct X1 { };
+typedef int X1::*MemPtr;
+
+template MemPtr X0<MemPtr>::f0(MemPtr); // expected-note{{requested here}}
+
+struct X2 {
+  int f0(int); // expected-note{{refers here}}
+  
+  template<typename T> T f1(T) { return T(); }
+  template<typename T> T* f1(T*) { return 0; }
+
+  template<typename T, typename U> void f2(T, U*) { } // expected-note{{candidate}}
+  template<typename T, typename U> void f2(T*, U) { } // expected-note{{candidate}}
+};
+
+template int X2::f0(int); // expected-error{{not an instantiation}}
+
+template int *X2::f1(int *); // okay
+
+template void X2::f2(int *, int *); // expected-error{{ambiguous}}
+
+
+template<typename T> void print_type() { }
+
+template void print_type<int>();
+template void print_type<float>();
+
+template<typename T> void print_type(T*) { }
+
+template void print_type(int*);
+template void print_type<int>(float*); // expected-error{{does not refer}}
+
+void print_type(double*);
+template void print_type<double>(double*);
+
+// PR5069
+template<int I> void foo0 (int (&)[I + 1]) { }
+template void foo0<2> (int (&)[3]);
+
+namespace explicit_instantiation_after_implicit_instantiation {
+  template <int I> struct X0 { static int x; };
+  template <int I> int X0<I>::x;
+  void test1() { (void)&X0<1>::x; }
+  template struct X0<1>;
+}
+
+template<typename> struct X3 { };
+inline template struct X3<int>; // expected-warning{{ignoring 'inline' keyword on explicit template instantiation}}
+static template struct X3<float>; // expected-warning{{ignoring 'static' keyword on explicit template instantiation}}
+
+namespace PR7622 {
+  template<typename,typename=int>
+  struct basic_streambuf;
+
+  template<typename,typename>
+  struct basic_streambuf{friend bob<>()}; // expected-error{{unknown type name 'bob'}} \
+  // expected-error{{expected member name or ';' after declaration specifiers}}
+  template struct basic_streambuf<int>;
+}
+
+// Test that we do not crash.
+class TC1 {
+  class TC2 {
+    template // FIXME: error here.
+    void foo() { }
+   };
+};
-- 
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