| // RUN: %clang_cc1 -E %s | grep '^A: Y$' | |
| // RUN: %clang_cc1 -E %s | grep '^B: f()$' | |
| // RUN: %clang_cc1 -E %s | grep '^C: for()$' | |
| #define X() Y | |
| #define Y() X | |
| A: X()()() | |
| // PR3927 | |
| #define f(x) h(x | |
| #define for(x) h(x | |
| #define h(x) x() | |
| B: f(f)) | |
| C: for(for)) | |
| // rdar://6880648 | |
| #define f(x,y...) y | |
| f() |