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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CXX/temp/temp.param/p9-0x.cpp
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
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+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+
+// A default template-argument may be specified for any kind of
+// template-parameter that is not a template parameter pack.
+template<typename ...Types = int> // expected-error{{template parameter pack cannot have a default argument}}
+struct X0;
+
+template<int ...Values = 0> // expected-error{{template parameter pack cannot have a default argument}}
+struct X1;
+
+template<typename T> struct vector;
+
+template<template<class> class ...Templates = vector> // expected-error{{template parameter pack cannot have a default argument}}
+struct X2;
+
+struct X3 {
+ template<typename T = int> // expected-error{{default template argument not permitted on a friend template}}
+ friend void f0(X3);
+
+ template<typename T = int>
+ friend void f1(X3) {
+ }
+};
+
+namespace PR8748 {
+ // Testcase 1
+ struct A0 { template<typename U> struct B; };
+ template<typename U = int> struct A0::B { };
+
+ // Testcase 2
+ template<typename T> struct A1 { template<typename U> struct B; };
+ template<typename T> template<typename U = int> struct A1<T>::B { }; // expected-error{{cannot add a default template argument to the definition of a member of a class template}}
+
+ // Testcase 3
+ template<typename T>
+ struct X2 {
+ void f0();
+ template<typename U> void f1();
+ };
+
+ template<typename T = int> void X2<T>::f0() { } // expected-error{{cannot add a default template argument to the definition of a member of a class template}}
+ template<typename T> template<typename U = int> void X2<T>::f1() { } // expected-error{{cannot add a default template argument to the definition of a member of a class template}}
+
+ namespace Inner {
+ template<typename T> struct X3;
+ template<typename T> void f2();
+ }
+
+ // Okay; not class members.
+ template<typename T = int> struct Inner::X3 { };
+ template<typename T = int> void Inner::f2() {}
+}
+
+namespace PR10069 {
+ template<typename T, T a, T b=0, T c=1>
+ T f(T x);
+
+ void g() {
+ f<unsigned int, 0>(0);
+ }
+}