| Abramo Bagnara | 62d0fab | 2012-01-03 20:13:03 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify |
| 2 | |
| 3 | #define p p |
| 4 | |
| 5 | #define a b |
| 6 | #define b a |
| 7 | |
| 8 | #define f(a) a |
| 9 | |
| 10 | #define g(b) a |
| 11 | |
| 12 | #define h(x) i(x) |
| 13 | #define i(y) i(y) |
| 14 | |
| 15 | #define c(x) x(0) |
| 16 | |
| Richard Smith | 1fbf6fb | 2012-12-12 02:46:14 +0000 | [diff] [blame^] | 17 | #define z(x) (z)(x) |
| 18 | |
| Abramo Bagnara | 62d0fab | 2012-01-03 20:13:03 +0000 | [diff] [blame] | 19 | p // expected-warning {{recursive macro}} |
| 20 | |
| 21 | a // expected-warning {{recursive macro}} |
| 22 | |
| 23 | f(2) |
| 24 | |
| 25 | g(3) // expected-warning {{recursive macro}} |
| 26 | |
| 27 | h(0) // expected-warning {{recursive macro}} |
| 28 | |
| 29 | c(c) // expected-warning {{recursive macro}} |
| Richard Smith | 1fbf6fb | 2012-12-12 02:46:14 +0000 | [diff] [blame^] | 30 | |
| 31 | z(z) // ok |