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// RUN: %clang_cc1 -std=c11 -triple i386-apple-darwin9 -fsyntax-only -verify %s
#define STATIC_ASSERT(cond) _Static_assert(cond, #cond)
// PR3433
#define CHECK_ALIGNMENT(type, name, abi, pref) \
type name; \
STATIC_ASSERT(__alignof__(name) == pref); \
STATIC_ASSERT(__alignof__(type) == pref); \
STATIC_ASSERT(_Alignof(type) == abi)
CHECK_ALIGNMENT(double, g_double, 4, 8);
CHECK_ALIGNMENT(long long, g_longlong, 4, 8);
CHECK_ALIGNMENT(unsigned long long, g_ulonglong, 4, 8);
CHECK_ALIGNMENT(_Complex double, g_complexdouble, 4, 8);
// PR6362
struct __attribute__((packed))
packed_struct {
unsigned int a;
};
CHECK_ALIGNMENT(struct packed_struct, g_packedstruct, 1, 1);
STATIC_ASSERT(__alignof__(g_packedstruct.a) == 1);
typedef double arr3double[3];
CHECK_ALIGNMENT(arr3double, g_arr3double, 4, 8);
enum big_enum { x = 18446744073709551615ULL };
CHECK_ALIGNMENT(enum big_enum, g_bigenum, 4, 8);
// PR5637
#define ALIGNED(x) __attribute__((aligned(x)))
typedef ALIGNED(2) struct {
char a[3];
} aligned_before_struct;
STATIC_ASSERT(sizeof(aligned_before_struct) == 3);
STATIC_ASSERT(sizeof(aligned_before_struct[1]) == 4); // expected-error {{size of array element}}
STATIC_ASSERT(sizeof(aligned_before_struct[2]) == 6); // expected-error {{size of array element}}
STATIC_ASSERT(sizeof(aligned_before_struct[2][1]) == 8); // expected-error {{size of array element}}
STATIC_ASSERT(sizeof(aligned_before_struct[1][2]) == 6); // expected-error {{size of array element}}
typedef struct ALIGNED(2) {
char a[3];
} aligned_after_struct;
STATIC_ASSERT(sizeof(aligned_after_struct) == 4);
STATIC_ASSERT(sizeof(aligned_after_struct[1]) == 4);
STATIC_ASSERT(sizeof(aligned_after_struct[2]) == 8);
STATIC_ASSERT(sizeof(aligned_after_struct[2][1]) == 8);
STATIC_ASSERT(sizeof(aligned_after_struct[1][2]) == 8);
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