1 #if 1
2 #if
3 /*
4  * check-name: Preprocessor #21
5  * check-description: This used to hang Sparse.
6  * check-command: sparse -E $file
7  *
8  * check-output-start
9 
10 
11  * check-output-end
12  *
13  * check-error-start
14 preprocessor/preprocessor21.c:2:2: error: unterminated preprocessor conditional
15  * check-error-end
16  */
17