10 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -verify -triple x86_64-linux-gnu -std=c++17 %s2 3struct BoolRef {4 operator bool&();5};6 7void foo(BoolRef br) {8 // C++ [over.built]p3: Increment for bool was removed in C++17.9 bool b = br++; // expected-error{{cannot increment value of type 'BoolRef'}}10}