| // RUN: rm -rf %t |
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 %s |
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -fmodules -fmodules-cache-path=%t %s -D__STDC_WANT_LIB_EXT1__=1 |
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -ffreestanding %s |
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -triple i686-pc-win32 -fms-compatibility-version=17.00 %s |
| |
| noreturn int f(); // expected-error 1+{{}} |
| |
| #include <stdnoreturn.h> |
| #include <stdnoreturn.h> |
| #include <stdnoreturn.h> |
| |
| int g(); |
| noreturn int g(); |
| int noreturn g(); |
| int g(); |
| |
| #include <stdalign.h> |
| _Static_assert(__alignas_is_defined, ""); |
| _Static_assert(__alignof_is_defined, ""); |
| alignas(alignof(int)) char c[4]; |
| _Static_assert(__alignof(c) == 4, ""); |
| |
| #define __STDC_WANT_LIB_EXT1__ 1 |
| #include <stddef.h> |
| rsize_t x = 0; |
| _Static_assert(sizeof(max_align_t) >= sizeof(long long), ""); |
| _Static_assert(alignof(max_align_t) >= alignof(long long), ""); |
| _Static_assert(sizeof(max_align_t) >= sizeof(long double), ""); |
| _Static_assert(alignof(max_align_t) >= alignof(long double), ""); |
| |
| #ifdef _MSC_VER |
| _Static_assert(sizeof(max_align_t) == sizeof(double), ""); |
| #endif |
| |
| // If we are freestanding, then also check RSIZE_MAX (in a hosted implementation |
| // we will use the host stdint.h, which may not yet have C11 support). |
| #ifndef __STDC_HOSTED__ |
| #include <stdint.h> |
| rsize_t x2 = RSIZE_MAX; |
| #endif |
| |