diff options
Diffstat (limited to 'clang/test/Preprocessor/macro_fn_preexpand.c')
| -rw-r--r-- | clang/test/Preprocessor/macro_fn_preexpand.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_fn_preexpand.c b/clang/test/Preprocessor/macro_fn_preexpand.c new file mode 100644 index 0000000..1b94c82 --- /dev/null +++ b/clang/test/Preprocessor/macro_fn_preexpand.c @@ -0,0 +1,12 @@ +// RUN: %clang_cc1 %s -E | grep 'pre: 1 1 X' +// RUN: %clang_cc1 %s -E | grep 'nopre: 1A(X)' + +/* Preexpansion of argument. */ +#define A(X) 1 X +pre: A(A(X)) + +/* The ## operator disables preexpansion. */ +#undef A +#define A(X) 1 ## X +nopre: A(A(X)) + |