// RUN: %clang_cc1 -std=c++20 %s -verify
int foo () {
int b;
explicit( && b ); // expected-error{{conversion from 'void *' to 'bool' is not allowed in a converted constant expression}}
// expected-error@-1{{'explicit' can only appear on non-static member functions}}
// expected-error@-2{{use of undeclared label 'b'}}
// expected-warning@-3{{declaration does not declare anything}}
}