A constructor template cannot be instantiated to a copy

constructor. Make sure that such declarations can never be formed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88718 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 1 deletions

diff --git a/test/SemaTemplate/constructor-template.cpp b/test/SemaTemplate/constructor-template.cpp
index 79bf7c585e..f059766356 100644
--- a/test/SemaTemplate/constructor-template.cpp
+++ b/test/SemaTemplate/constructor-template.cpp
@@ -1,5 +1,4 @@
 // RUN: clang-cc -fsyntax-only -verify %s
-
 struct X0 { // expected-note{{candidate}}
   X0(int); // expected-note{{candidate}}
   template<typename T> X0(T);
@@ -52,3 +51,22 @@ template<class C> struct A {};
 template <> struct A<int>{A(const A<int>&);};
 struct B { A<int> x; B(B& a) : x(a.x) {} };
 
+struct X2 {
+  X2();
+  X2(X2&);
+  template<typename T> X2(T, int = 17);
+};
+
+X2 test(bool Cond, X2 x2) {
+  if (Cond)
+    return x2; // okay, uses copy constructor
+  
+  return X2(); // expected-error{{incompatible type}}
+}
+
+struct X3 {
+  template<typename T> X3(T);
+};
+
+template<> X3::X3(X3); // expected-error{{no function template matches}}
+