1 // RUN: %clang_cc1 -std=c++1z %s -verify
2 // RUN: %clang_cc1 -std=c++1z %s -ftrigraphs -fsyntax-only
3 
4 ??= define foo ; // expected-error {{}} expected-warning {{trigraph ignored}}
5 
6 static_assert("??="[0] == '#', ""); // expected-error {{failed}} expected-warning {{trigraph ignored}}
7 
8 // ??/
9 error here; // expected-error {{}}
10