1*67e74705SXin Li // RUN: rm -rf %t 2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 %s 3*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -fmodules -fmodules-cache-path=%t %s -D__STDC_WANT_LIB_EXT1__=1 4*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -ffreestanding %s 5*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -triple i686-pc-win32 -fms-compatibility-version=17.00 %s 6*67e74705SXin Li 7*67e74705SXin Li noreturn int f(); // expected-error 1+{{}} 8*67e74705SXin Li 9*67e74705SXin Li #include <stdnoreturn.h> 10*67e74705SXin Li #include <stdnoreturn.h> 11*67e74705SXin Li #include <stdnoreturn.h> 12*67e74705SXin Li 13*67e74705SXin Li int g(); 14*67e74705SXin Li noreturn int g(); 15*67e74705SXin Li int noreturn g(); 16*67e74705SXin Li int g(); 17*67e74705SXin Li 18*67e74705SXin Li #include <stdalign.h> 19*67e74705SXin Li _Static_assert(__alignas_is_defined, ""); 20*67e74705SXin Li _Static_assert(__alignof_is_defined, ""); 21*67e74705SXin Li alignas(alignof(int)) char c[4]; 22*67e74705SXin Li _Static_assert(__alignof(c) == 4, ""); 23*67e74705SXin Li 24*67e74705SXin Li #define __STDC_WANT_LIB_EXT1__ 1 25*67e74705SXin Li #include <stddef.h> 26*67e74705SXin Li rsize_t x = 0; 27*67e74705SXin Li _Static_assert(sizeof(max_align_t) >= sizeof(long long), ""); 28*67e74705SXin Li _Static_assert(alignof(max_align_t) >= alignof(long long), ""); 29*67e74705SXin Li _Static_assert(sizeof(max_align_t) >= sizeof(long double), ""); 30*67e74705SXin Li _Static_assert(alignof(max_align_t) >= alignof(long double), ""); 31*67e74705SXin Li 32*67e74705SXin Li #ifdef _MSC_VER 33*67e74705SXin Li _Static_assert(sizeof(max_align_t) == sizeof(double), ""); 34*67e74705SXin Li #endif 35*67e74705SXin Li 36*67e74705SXin Li // If we are freestanding, then also check RSIZE_MAX (in a hosted implementation 37*67e74705SXin Li // we will use the host stdint.h, which may not yet have C11 support). 38*67e74705SXin Li #ifndef __STDC_HOSTED__ 39*67e74705SXin Li #include <stdint.h> 40*67e74705SXin Li rsize_t x2 = RSIZE_MAX; 41*67e74705SXin Li #endif 42*67e74705SXin Li 43