/* 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 . */ /* { dg-options "-ftrack-macro-expansion=0" } { 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-error "valid preprocessing" } */