// RUN: %clang_cc1 %s -fsyntax-only -verify -triple=x86_64-apple-darwin10 #define CHECK_SIZE(name, size) extern int name##1[sizeof(name) == size ? 1 : -1]; #define CHECK_ALIGN(name, size) extern int name##2[__alignof(name) == size ? 1 : -1]; // Simple tests. struct Test1 { 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}} }; CHECK_SIZE(Test1, 2); CHECK_ALIGN(Test1, 1); struct Test2 { 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}} }; CHECK_SIZE(Test2, 2); CHECK_ALIGN(Test2, 2); struct Test3 { 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}} }; CHECK_SIZE(Test3, 4); CHECK_ALIGN(Test3, 4); struct Test4 { 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}} }; CHECK_SIZE(Test4, 8); CHECK_ALIGN(Test4, 8); |