36 lines
820 B
C
36 lines
820 B
C
|
// RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify
|
||
|
|
// expected-no-diagnostics
|
||
|
|
|
||
|
|
// Stack: [], Alignment: 8
|
||
|
|
|
||
|
|
#pragma pack(push, 1)
|
||
|
|
// Stack: [8], Alignment: 1
|
||
|
|
|
||
|
|
#pragma pack(push, 4)
|
||
|
|
// Stack: [8, 1], Alignment: 4
|
||
|
|
|
||
|
|
// Note that this differs from gcc; pack() in gcc appears to pop the
|
||
|
|
// top stack entry and resets the current alignment. This is both
|
||
|
|
// inconsistent with MSVC, and the gcc documentation. In other cases,
|
||
|
|
// for example changing this to pack(8), I don't even understand what gcc
|
||
|
|
// is doing.
|
||
|
|
|
||
|
|
#pragma pack()
|
||
|
|
// Stack: [8, 1], Alignment: 8
|
||
|
|
|
||
|
|
#pragma pack(pop)
|
||
|
|
// Stack: [8], Alignment: 1
|
||
|
|
struct s0 {
|
||
|
|
char f0;
|
||
|
|
short f1;
|
||
|
|
};
|
||
|
|
int a[sizeof(struct s0) == 3 ? 1 : -1];
|
||
|
|
|
||
|
|
#pragma pack(pop)
|
||
|
|
// Stack: [], Alignment: 8
|
||
|
|
struct s1 {
|
||
|
|
char f0;
|
||
|
|
short f1;
|
||
|
|
};
|
||
|
|
int b[sizeof(struct s1) == 4 ? 1 : -1];
|