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-rw-r--r--test/SemaTemplate/instantiate-expr-4.cpp289
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diff --git a/test/SemaTemplate/instantiate-expr-4.cpp b/test/SemaTemplate/instantiate-expr-4.cpp
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+// RUN: clang-cc -fsyntax-only -verify %s
+
+// ---------------------------------------------------------------------
+// C++ Functional Casts
+// ---------------------------------------------------------------------
+template<int N>
+struct ValueInit0 {
+ int f() {
+ return int();
+ }
+};
+
+template struct ValueInit0<5>;
+
+template<int N>
+struct FunctionalCast0 {
+ int f() {
+ return int(N);
+ }
+};
+
+template struct FunctionalCast0<5>;
+
+struct X { // expected-note 2 {{candidate function}}
+ X(int, int); // expected-note 2 {{candidate function}}
+};
+
+template<int N, int M>
+struct BuildTemporary0 {
+ X f() {
+ return X(N, M);
+ }
+};
+
+template struct BuildTemporary0<5, 7>;
+
+template<int N, int M>
+struct Temporaries0 {
+ void f() {
+ (void)X(N, M);
+ }
+};
+
+template struct Temporaries0<5, 7>;
+
+// ---------------------------------------------------------------------
+// new/delete expressions
+// ---------------------------------------------------------------------
+struct Y { };
+
+template<typename T>
+struct New0 {
+ T* f(bool x) {
+ if (x)
+ return new T; // expected-error{{no matching}}
+ else
+ return new T();
+ }
+};
+
+template struct New0<int>;
+template struct New0<Y>;
+template struct New0<X>; // expected-note{{instantiation}}
+
+template<typename T, typename Arg1>
+struct New1 {
+ T* f(bool x, Arg1 a1) {
+ return new T(a1); // expected-error{{no matching}}
+ }
+};
+
+template struct New1<int, float>;
+template struct New1<Y, Y>;
+template struct New1<X, Y>; // expected-note{{instantiation}}
+
+template<typename T, typename Arg1, typename Arg2>
+struct New2 {
+ T* f(bool x, Arg1 a1, Arg2 a2) {
+ return new T(a1, a2); // expected-error{{no matching}}
+ }
+};
+
+template struct New2<X, int, float>;
+template struct New2<X, int, int*>; // expected-note{{instantiation}}
+// FIXME: template struct New2<int, int, float>;
+
+template<typename T>
+struct Delete0 {
+ void f(T t) {
+ delete t; // expected-error{{cannot delete}}
+ ::delete [] t;
+ }
+};
+
+template struct Delete0<int*>;
+template struct Delete0<X*>;
+template struct Delete0<int>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// throw expressions
+// ---------------------------------------------------------------------
+template<typename T>
+struct Throw1 {
+ void f(T t) {
+ throw;
+ throw t; // expected-error{{incomplete type}}
+ }
+};
+
+struct Incomplete; // expected-note{{forward}}
+
+template struct Throw1<int>;
+template struct Throw1<int*>;
+template struct Throw1<Incomplete*>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// typeid expressions
+// ---------------------------------------------------------------------
+
+// FIXME: This should really include <typeinfo>, but we don't have that yet.
+namespace std {
+ class type_info;
+}
+
+template<typename T>
+struct TypeId0 {
+ const std::type_info &f(T* ptr) {
+ if (ptr)
+ return typeid(ptr);
+ else
+ return typeid(T);
+ }
+};
+
+struct Abstract {
+ virtual void f() = 0;
+};
+
+template struct TypeId0<int>;
+template struct TypeId0<Incomplete>;
+template struct TypeId0<Abstract>;
+
+// ---------------------------------------------------------------------
+// type traits
+// ---------------------------------------------------------------------
+template<typename T>
+struct is_pod {
+ static const bool value = __is_pod(T);
+};
+
+static const int is_pod0[is_pod<X>::value? -1 : 1];
+static const int is_pod1[is_pod<Y>::value? 1 : -1];
+
+// ---------------------------------------------------------------------
+// initializer lists
+// ---------------------------------------------------------------------
+template<typename T, typename Val1>
+struct InitList1 {
+ void f(Val1 val1) {
+ T x = { val1 };
+ }
+};
+
+struct APair {
+ int *x;
+ const float *y;
+};
+
+template struct InitList1<int[1], float>;
+template struct InitList1<APair, int*>;
+
+template<typename T, typename Val1, typename Val2>
+struct InitList2 {
+ void f(Val1 val1, Val2 val2) {
+ T x = { val1, val2 }; // expected-error{{incompatible}}
+ }
+};
+
+template struct InitList2<APair, int*, float*>;
+template struct InitList2<APair, int*, double*>; // expected-note{{instantiation}}
+
+// ---------------------------------------------------------------------
+// member references
+// ---------------------------------------------------------------------
+template<typename T, typename Result>
+struct DotMemRef0 {
+ void f(T t) {
+ Result result = t.m; // expected-error{{cannot be initialized}}
+ }
+};
+
+struct MemInt {
+ int m;
+};
+
+struct InheritsMemInt : MemInt { };
+
+struct MemIntFunc {
+ static int m(int);
+};
+
+template struct DotMemRef0<MemInt, int&>;
+template struct DotMemRef0<InheritsMemInt, int&>;
+template struct DotMemRef0<MemIntFunc, int (*)(int)>;
+template struct DotMemRef0<MemInt, float&>; // expected-note{{instantiation}}
+
+template<typename T, typename Result>
+struct ArrowMemRef0 {
+ void f(T t) {
+ Result result = t->m; // expected-error 2{{cannot be initialized}}
+ }
+};
+
+template<typename T>
+struct ArrowWrapper {
+ T operator->();
+};
+
+template struct ArrowMemRef0<MemInt*, int&>;
+template struct ArrowMemRef0<InheritsMemInt*, int&>;
+template struct ArrowMemRef0<MemIntFunc*, int (*)(int)>;
+template struct ArrowMemRef0<MemInt*, float&>; // expected-note{{instantiation}}
+
+template struct ArrowMemRef0<ArrowWrapper<MemInt*>, int&>;
+template struct ArrowMemRef0<ArrowWrapper<InheritsMemInt*>, int&>;
+template struct ArrowMemRef0<ArrowWrapper<MemIntFunc*>, int (*)(int)>;
+template struct ArrowMemRef0<ArrowWrapper<MemInt*>, float&>; // expected-note{{instantiation}}
+template struct ArrowMemRef0<ArrowWrapper<ArrowWrapper<MemInt*> >, int&>;
+
+// FIXME: we should be able to return a MemInt without the reference!
+MemInt &createMemInt(int);
+
+template<int N>
+struct NonDepMemberExpr0 {
+ void f() {
+ createMemInt(N).m = N;
+ }
+};
+
+template struct NonDepMemberExpr0<0>;
+
+template<typename T, typename Result>
+struct MemberFuncCall0 {
+ void f(T t) {
+ Result result = t.f();
+ }
+};
+
+template<typename T>
+struct HasMemFunc0 {
+ T f();
+};
+
+
+template struct MemberFuncCall0<HasMemFunc0<int&>, const int&>;
+
+template<typename Result>
+struct ThisMemberFuncCall0 {
+ Result g();
+
+ void f() {
+ Result r1 = g();
+ Result r2 = this->g();
+ }
+};
+
+template struct ThisMemberFuncCall0<int&>;
+
+template<typename T>
+struct NonDepMemberCall0 {
+ void foo(HasMemFunc0<int&> x) {
+ T result = x.f(); // expected-error{{initialized}}
+ }
+};
+
+template struct NonDepMemberCall0<int&>;
+template struct NonDepMemberCall0<const int&>;
+template struct NonDepMemberCall0<float&>; // expected-note{{instantiation}}
+
+
+template<typename T>
+struct QualifiedDeclRef0 {
+ T f() {
+ return is_pod<X>::value; // expected-error{{initialized}}
+ }
+};
+
+template struct QualifiedDeclRef0<bool>;
+template struct QualifiedDeclRef0<int&>; // expected-note{{instantiation}}
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