|  | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -fms-extensions -verify %s | 
|  | // expected-no-diagnostics | 
|  |  | 
|  | #ifdef __SIZEOF_INT8__ | 
|  | static_assert(sizeof(0i8) == __SIZEOF_INT8__, ""); | 
|  |  | 
|  | constexpr int f(char) { return 1; } | 
|  | constexpr int f(signed char) { return 2; } | 
|  |  | 
|  | static_assert(f(0i8) == 1, ""); | 
|  | #endif | 
|  | #ifdef __SIZEOF_INT16__ | 
|  | static_assert(sizeof(0i16) == __SIZEOF_INT16__, ""); | 
|  | #endif | 
|  | #ifdef __SIZEOF_INT32__ | 
|  | static_assert(sizeof(0i32) == __SIZEOF_INT32__, ""); | 
|  | #endif | 
|  | #ifdef __SIZEOF_INT64__ | 
|  | static_assert(sizeof(0i64) == __SIZEOF_INT64__, ""); | 
|  | #endif |