| // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify |
| // RUN: %clang_cc1 %s -fsyntax-only -x c++ -pedantic -verify |
| |
| // GH101342 |
| // We should not form identifiers by concatenating invalid UCNs. |
| |
| #define DOT • |
| #define CONCAT_IMPL(Left, Separator, Right) Left##Separator##Right |
| #define CONCAT(Left, Separator, Right) CONCAT_IMPL(Left, Separator, Right) |
| #define MAKE_CLASS_NAME(A, B) CONCAT(A, DOT, B) |
| |
| // struct foo•bar {} x; |
| struct MAKE_CLASS_NAME(foo, bar); |
| // expected-error@-1 {{pasting formed 'foo•', an invalid preprocessing token}} \ |
| // expected-error@-1 {{pasting formed '•bar', an invalid preprocessing token}} |
| #ifdef __cplusplus |
| // expected-error@-4 {{expected unqualified-id}} |
| #else |
| // expected-error@-6 {{expected identifier or '('}} |
| #endif |
