Chromium Code Reviews| Index: Source/wtf/Compiler.h | 
| diff --git a/Source/wtf/Compiler.h b/Source/wtf/Compiler.h | 
| index 67050694ebb54804881bf0f0150774c80da3941b..5276f15e143c470d91d439a221569eb83934f1d2 100644 | 
| --- a/Source/wtf/Compiler.h | 
| +++ b/Source/wtf/Compiler.h | 
| @@ -256,4 +256,12 @@ | 
| #define WTF_PRETTY_FUNCTION __FUNCTION__ | 
| #endif | 
| +/* WTF_PURE_FUNCTION */ | 
| + | 
| +#if COMPILER(GCC) | 
| +#define WTF_PURE_FUNCTION __attribute__((pure)) | 
| +#else | 
| +#define WTF_PURE_FUNCTION /* nothing */ | 
| +#endif | 
| + | 
| #endif /* WTF_Compiler_h */ |