1/* PR preprocessor/29612 */
2/* { dg-do preprocess } */
3/* { dg-options "-Wtraditional" } */
4
5# 6 "pr29612-2.c"
6
7#if 1U /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
8#endif
9
10# 1 "foo.h" 1 3
11
12#if 1U
13#endif /* No warning in system header.  */
14
15# 16 "pr29612-2.c" 2
16
17#if 1U /* { dg-warning "traditional C rejects" "numeric constant suffix" } */
18#endif
19