1eb3ce7c3SRichard Smith // RUN: %clang_cc1 %s -fsyntax-only -verify 2eb3ce7c3SRichard Smith 35edd5830SRichard Smith #define a(x) enum { x } 45edd5830SRichard Smith a(n = 55edd5830SRichard Smith #undef a 65edd5830SRichard Smith #define a 5 75edd5830SRichard Smith a); 85edd5830SRichard Smith _Static_assert(n == 5, ""); 95edd5830SRichard Smith 10f2d3bc04SDavid Majnemer #define M(A) 11*023dd1eeSNico Weber M( // expected-note {{expansion of macro 'M' requested here}} 12f2d3bc04SDavid Majnemer #pragma pack(pop) // expected-error {{embedding a #pragma directive within macro arguments is not supported}} 13f2d3bc04SDavid Majnemer ) 14f2d3bc04SDavid Majnemer 15eb3ce7c3SRichard Smith // header1.h 16eb3ce7c3SRichard Smith void fail(const char *); 17eb3ce7c3SRichard Smith #define MUNCH(...) \ 18eb3ce7c3SRichard Smith ({ int result = 0; __VA_ARGS__; if (!result) { fail(#__VA_ARGS__); }; result }) 19eb3ce7c3SRichard Smith f(int k)20eb3ce7c3SRichard Smithstatic inline int f(int k) { 21*023dd1eeSNico Weber return MUNCH( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{returning 'void'}} expected-note {{expansion of macro 'MUNCH' requested here}} 22eb3ce7c3SRichard Smith if (k < 3) 23eb3ce7c3SRichard Smith result = 24; 24eb3ce7c3SRichard Smith else if (k > 4) 25eb3ce7c3SRichard Smith result = k - 4; 26eb3ce7c3SRichard Smith } 27eb3ce7c3SRichard Smith 28eb3ce7c3SRichard Smith #include "macro_arg_directive.h" // expected-error {{embedding a #include directive within macro arguments is not supported}} 29eb3ce7c3SRichard Smith 30eb3ce7c3SRichard Smith int g(int k) { 31eb3ce7c3SRichard Smith return f(k) + f(k-1)); 32eb3ce7c3SRichard Smith } 33