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