clang/test/SemaOpenCLCXX/amdgpu-nullptr.clcpp

// RUN: %clang_cc1 -triple amdgpu -cl-std=clc++ -verify %s

// expected-no-diagnostics

#define fold(x) (__builtin_constant_p(x) ? (x) : (x))
static_assert(nullptr != fold(reinterpret_cast<private int*>(0)));

static_assert(nullptr == (private int *)0);