1 /* K+R rejects use of function-like macros in non-function context. 2 ANSI C explicitly permits this (the macro is not expanded). 3 4 We should not warn about this during pre-expansion of arguments, 5 since traditional preprocessors don't do pre-expansion, and we get 6 the warning anyway during the re-scan pass if and only if it is 7 appropriate. */ 8 9 /* { dg-do preprocess } */ 10 /* { dg-options -Wtraditional } */ 11 12 #define f(x) x 13 #define g(x) x / 2 14 #define h(a, b) a(b) 15 f(g) (3) /* { dg-bogus "must be used with arguments" } */ 16 f 2 /* { dg-warning "must be used with arguments" } */ 17 f(g) 3 /* { dg-warning "must be used with arguments" } */ 18 h(f, 3) /* { dg-bogus "must be used with arguments" } */ 19