summaryrefslogtreecommitdiff
path: root/clang/test/Preprocessor/macro_fn_preexpand.c
blob: 1b94c82a2163059560f2d01d5bf2ae842d8732eb (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
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))