derek.holloway
7502bf64a4
CodeQL / Analyze (actions) (push) Canceled after 0s
CodeQL / Analyze (python) (push) Canceled after 0s
pre-commit / pre-commit (push) Canceled after 0s
Multi-Arch CI / setup (push) Canceled after 0s
Publish build_manylinux_x86_64 images / publish_build_manylinux_x86_64 (push) Canceled after 0s
Setup (Multi-Arch) / setup (push) Canceled after 0s
Multi-Arch CI / Linux::${{ fromJSON(needs.setup.outputs.linux_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubi10 image / publish_no_rocm_image_ubi10 (push) Canceled after 0s
Multi-Arch CI / Windows::${{ fromJSON(needs.setup.outputs.windows_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Multi-Arch CI / Manifest Diff (push) Canceled after 0s
TheRock Manifest Diff Report / Generate Manifest Diff Report (push) Canceled after 0s
Multi-Arch CI / CI Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_ocl_rt images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_rocgdb images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Unit Tests / Unit Tests :: ubuntu-24.04 (push) Canceled after 0s
Unit Tests / Unit Tests :: windows-2022 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_media (push) Canceled after 0s
Unit Tests / Unit Tests Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_openmpi (push) Canceled after 0s
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
|
|
// RUN: %clang_cc1 -fsyntax-only -std=c++14 -verify %s
|
|
// RUN: %clang_cc1 -fsyntax-only -std=c++17 -verify %s
|
|
// RUN: %clang_cc1 -fsyntax-only -std=c++20 -verify=cxx20 %s
|
|
// expected-no-diagnostics
|
|
|
|
struct Incomplete;
|
|
template <class T> struct Holder { T t; };
|
|
|
|
namespace DotFollowingFunctionName {
|
|
struct Good {
|
|
struct Nested {
|
|
int b;
|
|
} a;
|
|
};
|
|
|
|
struct Bad {
|
|
Holder<Incomplete> a();
|
|
};
|
|
|
|
template <class T>
|
|
constexpr auto f(T t) -> decltype((t.a.b, true)) { return true; }
|
|
constexpr bool f(...) { return false; }
|
|
|
|
static_assert(DotFollowingFunctionName::f(Good{}), "");
|
|
static_assert(!DotFollowingFunctionName::f(Bad{}), "");
|
|
|
|
#if __cplusplus >= 202002L
|
|
template <class T>
|
|
concept C = requires(T t) { t.a.b; };
|
|
// cxx20-note@-1 {{because 't.a.b' would be invalid: reference to non-static member function must be called}}
|
|
|
|
static_assert(C<Good>);
|
|
static_assert(!C<Bad>);
|
|
static_assert(C<Bad>); // cxx20-error {{static assertion failed}}
|
|
// cxx20-note@-1 {{because 'Bad' does not satisfy 'C'}}
|
|
#endif
|
|
} // namespace DotFollowingFunctionName
|
|
|
|
namespace DotFollowingPointer {
|
|
struct Good {
|
|
int begin();
|
|
};
|
|
using Bad = Holder<Incomplete> *;
|
|
|
|
template <class T>
|
|
constexpr auto f(T t) -> decltype((t.begin(), true)) { return true; }
|
|
constexpr bool f(...) { return false; }
|
|
|
|
static_assert(DotFollowingPointer::f(Good{}), "");
|
|
static_assert(!DotFollowingPointer::f(Bad{}), "");
|
|
|
|
#if __cplusplus >= 202002L
|
|
template <class T>
|
|
concept C = requires(T t) { t.begin(); };
|
|
// cxx20-note@-1 {{because 't.begin()' would be invalid: member reference type 'Bad' (aka 'Holder<Incomplete> *') is a pointer}}
|
|
|
|
static_assert(C<Good>);
|
|
static_assert(!C<Bad>);
|
|
static_assert(C<Bad>); // cxx20-error {{static assertion failed}}
|
|
// cxx20-note@-1 {{because 'Bad' (aka 'Holder<Incomplete> *') does not satisfy 'C'}}
|
|
#endif
|
|
} // namespace DotFollowingPointer
|