| 1 | // RUN: %clang_cc1 %s -E -Wdisabled-macro-expansion -verify |
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| 2 | |
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| 3 | #define p p |
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| 4 | |
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| 5 | #define a b |
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| 6 | #define b a |
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| 7 | |
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| 8 | #define f(a) a |
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| 9 | |
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| 10 | #define g(b) a |
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| 11 | |
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| 12 | #define h(x) i(x) |
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| 13 | #define i(y) i(y) |
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| 14 | |
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| 15 | #define c(x) x(0) |
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| 16 | |
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| 17 | #define y(x) y |
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| 18 | #define z(x) (z)(x) |
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| 19 | |
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| 20 | p // no warning |
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| 21 | |
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| 22 | a // expected-warning {{recursive macro}} |
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| 23 | |
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| 24 | f(2) |
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| 25 | |
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| 26 | g(3) // expected-warning {{recursive macro}} |
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| 27 | |
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| 28 | h(0) // expected-warning {{recursive macro}} |
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| 29 | |
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| 30 | c(c) // expected-warning {{recursive macro}} |
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| 31 | |
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| 32 | y(5) // expected-warning {{recursive macro}} |
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| 33 | |
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| 34 | z(z) // ok |
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| 35 | |
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| 36 | |
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