| 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify |
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| 2 | |
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| 3 | #define a(x) enum { x } |
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| 4 | a(n = |
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| 5 | #undef a |
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| 6 | #define a 5 |
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| 7 | a); |
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| 8 | _Static_assert(n == 5, ""); |
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| 9 | |
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| 10 | #define M(A) |
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| 11 | M( // expected-note {{expansion of macro 'M' requested here}} |
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| 12 | #pragma pack(pop) // expected-error {{embedding a #pragma directive within macro arguments is not supported}} |
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| 13 | ) |
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| 14 | |
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| 15 | // header1.h |
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| 16 | void fail(const char *); |
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| 17 | #define MUNCH(...) \ |
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| 18 | ({ int result = 0; __VA_ARGS__; if (!result) { fail(#__VA_ARGS__); }; result }) |
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| 19 | |
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| 20 | static inline int f(int k) { |
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| 21 | return MUNCH( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{returning 'void'}} expected-note {{expansion of macro 'MUNCH' requested here}} |
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| 22 | if (k < 3) |
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| 23 | result = 24; |
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| 24 | else if (k > 4) |
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| 25 | result = k - 4; |
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| 26 | } |
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| 27 | |
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| 28 | #include "macro_arg_directive.h" // expected-error {{embedding a #include directive within macro arguments is not supported}} |
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| 29 | |
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| 30 | int g(int k) { |
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| 31 | return f(k) + f(k-1)); |
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| 32 | } |
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| 33 | |
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