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