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