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
7noreturn int f(); // expected-error 1+{{}}
8
9#include <stdnoreturn.h>
10#include <stdnoreturn.h>
11#include <stdnoreturn.h>
12
13int g();
14noreturn int g();
15int noreturn g();
16int g();
17
18#include <stdalign.h>
19_Static_assert(__alignas_is_defined, "");
20_Static_assert(__alignof_is_defined, "");
21alignas(alignof(int)) char c[4];
22_Static_assert(__alignof(c) == 4, "");
23
24#define __STDC_WANT_LIB_EXT1__ 1
25#include <stddef.h>
26rsize_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>
40rsize_t x2 = RSIZE_MAX;
41#endif
42
43