1740d490593e0de8732a697c9f77b90ddd463863bJordan Rose// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-apple-darwin9 2740d490593e0de8732a697c9f77b90ddd463863bJordan Rose// expected-no-diagnostics 3740d490593e0de8732a697c9f77b90ddd463863bJordan Rose 4740d490593e0de8732a697c9f77b90ddd463863bJordan Rose// From <rdar://problem/12322000>. Do not warn about undefined behavior of parameter 5740d490593e0de8732a697c9f77b90ddd463863bJordan Rose// argument types in unreachable code in a macro. 6740d490593e0de8732a697c9f77b90ddd463863bJordan Rose#define VA_ARG_RDAR12322000(Marker, TYPE) ((sizeof (TYPE) < sizeof (UINTN_RDAR12322000)) ? (TYPE)(__builtin_va_arg (Marker, UINTN_RDAR12322000)) : (TYPE)(__builtin_va_arg (Marker, TYPE))) 7740d490593e0de8732a697c9f77b90ddd463863bJordan Rose 8740d490593e0de8732a697c9f77b90ddd463863bJordan Rose// 64-bit system 9740d490593e0de8732a697c9f77b90ddd463863bJordan Rosetypedef unsigned long long UINTN_RDAR12322000; 10740d490593e0de8732a697c9f77b90ddd463863bJordan Rose 11740d490593e0de8732a697c9f77b90ddd463863bJordan Roseint test_VA_ARG_RDAR12322000 (__builtin_va_list Marker) 12740d490593e0de8732a697c9f77b90ddd463863bJordan Rose{ 13740d490593e0de8732a697c9f77b90ddd463863bJordan Rose return VA_ARG_RDAR12322000 (Marker, short); // no-warning 14740d490593e0de8732a697c9f77b90ddd463863bJordan Rose}