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