derek.holloway
7502bf64a4
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100 lines
4.4 KiB
C++
100 lines
4.4 KiB
C++
// RUN: %clang_cc1 -std=c++23 -triple x86_64-linux -Wpre-c++23-compat -fsyntax-only -verify=cxx23 %s
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-linux -fsyntax-only -verify=cxx20 %s
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// RUN: %clang_cc1 -std=c++23 -triple i686-linux -fsyntax-only -verify=cxx23-32 %s
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// RUN: %clang_cc1 -x c -std=c11 -fsyntax-only -verify=c11 %s
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#ifdef __cplusplus
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typedef __SIZE_TYPE__ size_t;
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// Assume ptrdiff_t is the signed integer type corresponding to size_t.
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typedef __PTRDIFF_TYPE__ ssize_t;
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template <typename, typename>
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struct is_same { static constexpr bool value = false; };
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template <typename T>
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struct is_same<T, T> { static constexpr bool value = true; };
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void SSizeT(void) {
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auto a1 = 1z;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a1), ssize_t>::value);
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auto a2 = 1Z;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a2), ssize_t>::value);
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}
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void SizeT(void) {
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auto a1 = 1uz;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a1), size_t>::value);
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auto a2 = 1uZ;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a2), size_t>::value);
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auto a3 = 1Uz;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a3), size_t>::value);
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auto a4 = 1UZ;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a4), size_t>::value);
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auto a5 = 1zu;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a5), size_t>::value);
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auto a6 = 1Zu;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a6), size_t>::value);
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auto a7 = 1zU;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a7), size_t>::value);
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auto a8 = 1ZU;
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// cxx23-warning@-1 {{'size_t' suffix for literals is incompatible with C++ standards before C++23}}
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// cxx20-warning@-2 {{'size_t' suffix for literals is a C++23 extension}}
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static_assert(is_same<decltype(a8), size_t>::value);
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}
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void oor(void) {
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#if __i386__
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(void)3'000'000'000z; // cxx23-32-error {{signed 'size_t' literal is out of range of possible signed 'size_t' values}}
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(void)3'000'000'000uz;
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(void)5'000'000'000uz; // cxx23-32-error {{'size_t' literal is out of range of possible 'size_t' values}}
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(void)0x80000000z;
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(void)0x80000000uz;
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(void)0x180000000uz; //cxx23-32-error {{'size_t' literal is out of range of possible 'size_t' values}}
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#endif
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}
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#else
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void f(void) {
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(void)1z; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1Z; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1uz; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1uZ; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1Uz; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1UZ; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1zu; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1Zu; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1zU; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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(void)1ZU; // c11-error {{'size_t' suffix for literals is a C++23 feature}}
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}
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#endif
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