paste6.c

linux下编程用 编译软件

/* Regression test for paste appearing at the beginning of a set of
   actual arguments.  Original bug exposed by Linux kernel.  Problem
   reported by Jakub Jelinek <[e-mail]>.  */

/* { dg-do compile } */

extern int foo(int x);

#define bar(x) foo(x)
#define baz(x) bar(##x)

int quux(int y) { return baz(y); }  /* { dg-warning "valid preprocessing" } */