// RUN: %clang_cc1 %s -fsyntax-only -verify #define a(x) enum { x } a(n = #undef a #define a 5 a); _Static_assert(n == 5, ""); #define M(A) M( #pragma pack(pop) // expected-error {{embedding a #pragma directive within macro arguments is not supported}} ) // header1.h void fail(const char *); #define MUNCH(...) \ ({ int result = 0; __VA_ARGS__; if (!result) { fail(#__VA_ARGS__); }; result }) static inline int f(int k) { return MUNCH( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{returning 'void'}} if (k < 3) result = 24; else if (k > 4) result = k - 4; } #include "macro_arg_directive.h" // expected-error {{embedding a #include directive within macro arguments is not supported}} int g(int k) { return f(k) + f(k-1)); }