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1// RUN: %clang_cc1 -std=c++14 %s -triple nvptx64-nvidia-cuda \2// RUN: -fcuda-is-device -verify -fsyntax-only3// RUN: %clang_cc1 -std=c++17 %s -triple nvptx64-nvidia-cuda \4// RUN: -fcuda-is-device -verify -fsyntax-only5// RUN: %clang_cc1 -std=c++14 %s \6// RUN: -triple x86_64-unknown-linux-gnu -verify -fsyntax-only7// RUN: %clang_cc1 -std=c++17 %s \8// RUN: -triple x86_64-unknown-linux-gnu -verify -fsyntax-only9#include "Inputs/cuda.h"10 11template<typename T>12__host__ __device__ void foo(const T **a) {13 // expected-note@-1 {{declared here}}14 static const T b = sizeof(a);15 static constexpr T c = sizeof(a);16 const T d = sizeof(a);17 constexpr T e = sizeof(a);18 constexpr T f = **a;19 // expected-error@-1 {{constexpr variable 'f' must be initialized by a constant expression}}20 // expected-note@-2 {{}}21 a[0] = &b;22 a[1] = &c;23 a[2] = &d;24 a[3] = &e;25}26 27__device__ void device_fun(const int **a) {28 // expected-note@-1 {{declared here}}29 constexpr int b = sizeof(a);30 static constexpr int c = sizeof(a);31 constexpr int d = **a;32 // expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}33 // expected-note@-2 {{}}34 a[0] = &b;35 a[1] = &c;36 foo(a);37 // expected-note@-1 {{in instantiation of function template specialization 'foo<int>' requested here}}38}39 40void host_fun(const int **a) {41 // expected-note@-1 {{declared here}}42 constexpr int b = sizeof(a);43 static constexpr int c = sizeof(a);44 constexpr int d = **a;45 // expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}46 // expected-note@-2 {{}}47 a[0] = &b;48 a[1] = &c;49 foo(a);50}51 52__host__ __device__ void host_device_fun(const int **a) {53 // expected-note@-1 {{declared here}}54 constexpr int b = sizeof(a);55 static constexpr int c = sizeof(a);56 constexpr int d = **a;57 // expected-error@-1 {{constexpr variable 'd' must be initialized by a constant expression}}58 // expected-note@-2 {{}}59 a[0] = &b;60 a[1] = &c;61 foo(a);62}63 64template <class T>65struct A {66 explicit A() = default;67};68template <class T>69constexpr A<T> a{};70 71struct B {72 static constexpr bool value = true;73};74 75template<typename T>76struct C {77 static constexpr bool value = T::value;78};79 80__constant__ const bool &x = C<B>::value;81