| // RUN: %clang_cc1 -fsyntax-only -verify %s | |
| // C++ [basic.def.odr]p1: | |
| // No translation unit shall contain more than one definition of any | |
| // variable, [...]. | |
| // Bad: in C++, these are both definitions. None of that C99 tentative stuff. | |
| int i; // expected-note {{previous}} | |
| int i; // expected-error {{redefinition}} | |
| // OK: decl + def | |
| extern int j; | |
| int j; | |
| // OK: def + decl | |
| int k; | |
| extern int k; | |
| // Bad. The important thing here is that we don't emit the diagnostic twice. | |
| int l = 1; // expected-note {{previous}} | |
| int l = 2; // expected-error {{redefinition}} |