| // RUN: %clang_cc1 %s -E | FileCheck --strict-whitespace --match-full-lines %s | |
| // In the following tests, note that the output is sensitive to the | |
| // whitespace *preceding* the varargs argument, as well as to | |
| // interior whitespace. AFAIK, this is the only case where whitespace | |
| // preceding an argument matters, and might be considered a bug in | |
| // GCC. Nevertheless, since this feature is a GCC extension in the | |
| // first place, we'll follow along. | |
| #define debug(format, ...) format, ## __VA_ARGS__) | |
| // CHECK:V); | |
| debug(V); | |
| // CHECK:W,1, 2); | |
| debug(W,1, 2); | |
| // CHECK:X, 1, 2); | |
| debug(X, 1, 2 ); | |
| // CHECK:Y,); | |
| debug(Y, ); | |
| // CHECK:Z,); | |
| debug(Z,); |