| 1 | // RUN: %clang_cc1 -E %s | grep '1: aaab 2' |
|---|---|
| 2 | // RUN: %clang_cc1 -E %s | grep '2: 2 baaa' |
| 3 | // RUN: %clang_cc1 -E %s | grep '3: 2 xx' |
| 4 | |
| 5 | #define a(n) aaa ## n |
| 6 | #define b 2 |
| 7 | 1: a(b b) // aaab 2 2 gets expanded, not b. |
| 8 | |
| 9 | #undef a |
| 10 | #undef b |
| 11 | #define a(n) n ## aaa |
| 12 | #define b 2 |
| 13 | 2: a(b b) // 2 baaa 2 gets expanded, not b. |
| 14 | |
| 15 | #define baaa xx |
| 16 | 3: a(b b) // 2 xx |
| 17 | |
| 18 |