diff options
Diffstat (limited to 'clang/test/CXX/temp/temp.spec/temp.inst')
-rw-r--r-- | clang/test/CXX/temp/temp.spec/temp.inst/p1.cpp | 104 | ||||
-rw-r--r-- | clang/test/CXX/temp/temp.spec/temp.inst/p11.cpp | 15 |
2 files changed, 119 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.spec/temp.inst/p1.cpp b/clang/test/CXX/temp/temp.spec/temp.inst/p1.cpp new file mode 100644 index 0000000..8684fc4 --- /dev/null +++ b/clang/test/CXX/temp/temp.spec/temp.inst/p1.cpp @@ -0,0 +1,104 @@ +// RUN: %clang_cc1 -std=c++11 -verify %s + +// The implicit specialization of a class template specialuzation causes the +// implicit instantiation of the declarations, but not the definitions or +// default arguments, of: + +// FIXME: Many omitted cases + +// - scoped member enumerations +namespace ScopedEnum { + template<typename T> struct ScopedEnum1 { + enum class E { + e = T::error // expected-error {{'double' cannot be used prior to '::'}} + }; + }; + ScopedEnum1<int> se1; // ok + + template<typename T> struct ScopedEnum2 { + enum class E : T { // expected-error {{non-integral type 'void *' is an invalid underlying type}} + e = 0 + }; + }; + ScopedEnum2<void*> se2; // expected-note {{here}} + + template<typename T> struct UnscopedEnum3 { + enum class E : T { + e = 4 + }; + int arr[(int)E::e]; + }; + UnscopedEnum3<int> ue3; // ok + + ScopedEnum1<double>::E e1; // ok + ScopedEnum1<double>::E e2 = decltype(e2)::e; // expected-note {{in instantiation of enumeration 'ScopedEnum::ScopedEnum1<double>::E' requested here}} + + // The behavior for enums defined within function templates is not clearly + // specified by the standard. We follow the rules for enums defined within + // class templates. + template<typename T> + int f() { + enum class E { + e = T::error + }; + return (int)E(); + } + int test1 = f<int>(); + + template<typename T> + int g() { + enum class E { + e = T::error // expected-error {{has no members}} + }; + return E::e; // expected-note {{here}} + } + int test2 = g<int>(); // expected-note {{here}} +} + +// And it cases the implicit instantiations of the definitions of: + +// - unscoped member enumerations +namespace UnscopedEnum { + template<typename T> struct UnscopedEnum1 { + enum E { + e = T::error // expected-error {{'int' cannot be used prior to '::'}} + }; + }; + UnscopedEnum1<int> ue1; // expected-note {{here}} + + template<typename T> struct UnscopedEnum2 { + enum E : T { // expected-error {{non-integral type 'void *' is an invalid underlying type}} + e = 0 + }; + }; + UnscopedEnum2<void*> ue2; // expected-note {{here}} + + template<typename T> struct UnscopedEnum3 { + enum E : T { + e = 4 + }; + int arr[E::e]; + }; + UnscopedEnum3<int> ue3; // ok + + template<typename T> + int f() { + enum E { + e = T::error // expected-error {{has no members}} + }; + return (int)E(); + } + int test1 = f<int>(); // expected-note {{here}} + + template<typename T> + int g() { + enum E { + e = T::error // expected-error {{has no members}} + }; + return E::e; + } + int test2 = g<int>(); // expected-note {{here}} +} + +// FIXME: +//- - member anonymous unions diff --git a/clang/test/CXX/temp/temp.spec/temp.inst/p11.cpp b/clang/test/CXX/temp/temp.spec/temp.inst/p11.cpp new file mode 100644 index 0000000..8184071 --- /dev/null +++ b/clang/test/CXX/temp/temp.spec/temp.inst/p11.cpp @@ -0,0 +1,15 @@ +// RUN: %clang_cc1 -verify -emit-llvm-only %s + +// rdar://problem/7838962 +namespace test0 { + template<typename T> unsigned f0() { + return T::MaxSize; // expected-error {{'int' cannot be used prior to '::'}} + }; + template<typename T> struct A { + void Allocate(unsigned Alignment + = f0<T>()) // expected-note {{in instantiation}} + {} + }; + void f1(A<int> x) { x.Allocate(); } + +} |