| Argyrios Kyrtzidis | 0c06cbc | 2013-01-23 18:21:56 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -emit-pch -o %t1.pch -verify |
| 2 | // RUN: %clang_cc1 %s -emit-pch -o %t2.pch -include-pch %t1.pch -verify |
| 3 | // RUN: %clang_cc1 -fsyntax-only %s -include-pch %t2.pch -verify |
| 4 | |
| 5 | // Test that a redefinition inside the PCH won't manifest as an ambiguous macro. |
| 6 | // rdar://13016031 |
| 7 | |
| 8 | #ifndef HEADER1 |
| 9 | #define HEADER1 |
| 10 | |
| 11 | #define M1 0 // expected-note {{previous}} |
| 12 | #define M1 1 // expected-warning {{redefined}} |
| 13 | |
| 14 | #define M2 3 |
| 15 | |
| 16 | #elif !defined(HEADER2) |
| 17 | #define HEADER2 |
| 18 | |
| 19 | #define M2 4 // expected-warning {{redefined}} |
| 20 | // expected-note@-6 {{previous}} |
| 21 | |
| 22 | #else |
| 23 | |
| 24 | // Use the error to verify it was parsed. |
| 25 | int x = M1; // expected-note {{previous}} |
| 26 | int x = M2; // expected-error {{redefinition}} |
| 27 | |
| 28 | #endif |