clang/test/Misc/explicit.cpp

   1 // RUN: %clang_cc1 -std=c++20 %s -verify
   2
   3 int foo ()  {
   4   int b;
   5   explicit( && b );  // expected-error{{conversion from 'void *' to 'bool' is not allowed in a converted constant expression}}
   6                      // expected-error@-1{{'explicit' can only appear on non-static member functions}}
   7                      // expected-error@-2{{use of undeclared label 'b'}}
   8                      // expected-warning@-3{{declaration does not declare anything}}
   9 }