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.
7 struct Test1 {
8   char c : 9; // expected-warning {{width of bit-field 'c' (9 bits) exceeds the width of its type; value will be truncated to 8 bits}}
9 };
10 CHECK_SIZE(Test1, 2);
11 CHECK_ALIGN(Test1, 1);
12 
13 struct Test2 {
14   char c : 16; // expected-warning {{width of bit-field 'c' (16 bits) exceeds the width of its type; value will be truncated to 8 bits}}
15 };
16 CHECK_SIZE(Test2, 2);
17 CHECK_ALIGN(Test2, 2);
18 
19 struct Test3 {
20   char c : 32; // expected-warning {{width of bit-field 'c' (32 bits) exceeds the width of its type; value will be truncated to 8 bits}}
21 };
22 CHECK_SIZE(Test3, 4);
23 CHECK_ALIGN(Test3, 4);
24 
25 struct Test4 {
26   char c : 64; // expected-warning {{width of bit-field 'c' (64 bits) exceeds the width of its type; value will be truncated to 8 bits}}
27 };
28 CHECK_SIZE(Test4, 8);
29 CHECK_ALIGN(Test4, 8);
30 
31