1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
// RUN: %clang_cc1 -fsyntax-only -std=c++20 -verify %s
using fp0_t = void (*)();
using fp1_t = int (*)();
extern fp0_t a, b;
extern fp1_t c;
bool eq0 = a == b;
bool ne0 = a != b;
bool lt0 = a < b; // expected-warning {{ordered comparison of function pointers ('fp0_t' (aka 'void (*)()') and 'fp0_t')}}
bool le0 = a <= b; // expected-warning {{ordered comparison of function pointers}}
bool gt0 = a > b; // expected-warning {{ordered comparison of function pointers}}
bool ge0 = a >= b; // expected-warning {{ordered comparison of function pointers}}
auto tw0 = a <=> b; // expected-error {{ordered comparison of function pointers}}
bool eq1 = a == c; // expected-error {{comparison of distinct pointer types}}
bool ne1 = a != c; // expected-error {{comparison of distinct pointer types}}
bool lt1 = a < c; // expected-warning {{ordered comparison of function pointers ('fp0_t' (aka 'void (*)()') and 'fp1_t' (aka 'int (*)()'))}}
// expected-error@-1 {{comparison of distinct pointer types}}
bool le1 = a <= c; // expected-warning {{ordered comparison of function pointers}}
// expected-error@-1 {{comparison of distinct pointer types}}
bool gt1 = a > c; // expected-warning {{ordered comparison of function pointers}}
// expected-error@-1 {{comparison of distinct pointer types}}
bool ge1 = a >= c; // expected-warning {{ordered comparison of function pointers}}
// expected-error@-1 {{comparison of distinct pointer types}}
auto tw1 = a <=> c; // expected-error {{ordered comparison of function pointers}}
|
