1 // { dg-do compile { target c++11 } }
2 
3 int
4 operator"" _badpreproc(const char *str)
5 { return 0; }
6 
7 #if 123_badpreproc  //  { dg-error "user-defined literal in preprocessor expression" }
8 #  error ("user-defined literal in preprocessor expression")  //  { dg-error "user-defined literal in preprocessor expression" }
9 #endif
10