llvm-project/clang/test/SemaCXX/__null.cpp

22 lines
669 B
C++

// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -Wno-null-conversion -fsyntax-only -verify
// RUN: %clang_cc1 -triple i686-unknown-unknown %s -Wno-null-conversion -fsyntax-only -verify
void f() {
int* i = __null;
i = __null;
int i2 = __null;
// Verify statically that __null is the right size
int a[sizeof(typeof(__null)) == sizeof(void*)? 1 : -1];
// Verify that null is evaluated as 0.
int b[__null ? -1 : 1];
}
struct A {};
void g() {
(void)(0 ? __null : A()); // expected-error {{non-pointer operand type 'A' incompatible with NULL}}
(void)(0 ? A(): __null); // expected-error {{non-pointer operand type 'A' incompatible with NULL}}
}