clang/test/SemaCXX/no-warn-user-defined-literals-in-system-headers.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -Wsystem-headers -isystem %S %s
   2
   3 #include <no-warn-user-defined-literals-in-system-headers.h>
   4
   5 void operator "" bar(long double); // expected-warning{{user-defined literal suffixes not starting with '_' are reserved}}