1// RUN: %clang_cc1 %s -fsyntax-only -verify -triple=x86_64-apple-darwin10
2
3#define CHECK_SIZE(name, size) extern int name##1[sizeof(name) == size ? 1 : -1];
4#define CHECK_ALIGN(name, size) extern int name##2[__alignof(name) == size ? 1 : -1];
5
6// Simple tests.
7struct Test1 {
8  char c : 9; // expected-warning {{size of bit-field 'c' (9 bits) exceeds the size of its type; value will be truncated to 8 bits}}
9};
10CHECK_SIZE(Test1, 2);
11CHECK_ALIGN(Test1, 1);
12
13struct Test2 {
14  char c : 16; // expected-warning {{size of bit-field 'c' (16 bits) exceeds the size of its type; value will be truncated to 8 bits}}
15};
16CHECK_SIZE(Test2, 2);
17CHECK_ALIGN(Test2, 2);
18
19struct Test3 {
20  char c : 32; // expected-warning {{size of bit-field 'c' (32 bits) exceeds the size of its type; value will be truncated to 8 bits}}
21};
22CHECK_SIZE(Test3, 4);
23CHECK_ALIGN(Test3, 4);
24
25struct Test4 {
26  char c : 64; // expected-warning {{size of bit-field 'c' (64 bits) exceeds the size of its type; value will be truncated to 8 bits}}
27};
28CHECK_SIZE(Test4, 8);
29CHECK_ALIGN(Test4, 8);
30
31