p1.cpp
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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct A {
unsigned bitX : 4;
unsigned bitY : 4;
unsigned var;
void foo();
};
void test(A *a) {
int x;
x = sizeof(a->bitX); // expected-error {{invalid application of 'sizeof' to bit-field}}
x = sizeof((unsigned) a->bitX);
x = sizeof(a->foo(), a->bitX); // expected-error {{invalid application of 'sizeof' to bit-field}}
x = sizeof(a->var ? a->bitX : a->bitY); // expected-error {{invalid application of 'sizeof' to bit-field}}
x = sizeof(a->var ? a->bitX : a->bitX); // expected-error {{invalid application of 'sizeof' to bit-field}}
x = sizeof(a->bitX = 3); // expected-error {{invalid application of 'sizeof' to bit-field}}
x = sizeof(a->bitY += 3); // expected-error {{invalid application of 'sizeof' to bit-field}}
}
void test2() {
int x;
x = sizeof(void); // expected-error {{invalid application of 'sizeof' to an incomplete type 'void'}}
x = sizeof(int()); // expected-error {{invalid application of 'sizeof' to a function type}}
x = sizeof(test2()); // expected-error {{invalid application of 'sizeof' to an incomplete type 'void'}}
x = sizeof(test2); // expected-error {{invalid application of 'sizeof' to a function type}}
}
namespace pr16992 {
template<typename T> struct ABC {
int func () {
return sizeof T; // expected-error {{expected parentheses around type name in sizeof expression}}
}
};
ABC<int> qq;
template<typename T> struct ABC2 {
int func () {
return sizeof T::A;
}
};
struct QQ { int A; };
ABC2<QQ> qq2;
}