1cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-apple-darwin9
2cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek// expected-no-diagnostics
3cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek
4cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek// From <rdar://problem/12322000>.  Do not warn about undefined behavior of parameter
5cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek// argument types in unreachable code in a macro.
6cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek#define VA_ARG_RDAR12322000(Marker, TYPE)         ((sizeof (TYPE) < sizeof (UINTN_RDAR12322000)) ? (TYPE)(__builtin_va_arg (Marker, UINTN_RDAR12322000)) : (TYPE)(__builtin_va_arg (Marker, TYPE)))
7cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek
8cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek// 64-bit system
9cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenektypedef unsigned long long  UINTN_RDAR12322000;
10cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek
11cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenekint test_VA_ARG_RDAR12322000 (__builtin_va_list Marker)
12cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek{
13cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek  return VA_ARG_RDAR12322000 (Marker, short); // no-warning
14cbb99efceb3a2c27ba2382df97f3b69c75974f94Ted Kremenek}