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 // header1.h
11 void fail(const char *);
12 #define MUNCH(...) \
13  ({ int result = 0; __VA_ARGS__; if (!result) { fail(#__VA_ARGS__); }; result })
14 
15 static inline int f(int k) {
16   return MUNCH( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{returning 'void'}}
17     if (k < 3)
18       result = 24;
19     else if (k > 4)
20       result = k - 4;
21 }
22 
23 #include "macro_arg_directive.h" // expected-error {{embedding a #include directive within macro arguments is not supported}}
24 
25 int g(int k) {
26   return f(k) + f(k-1));
27 }
28