/* 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 <jakub@redhat.com>. */ /* { 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" } */