|
111
|
1 /* Test for -Wtraditional warnings on union initialization.
|
|
|
2 Note, gcc should omit these warnings in system header files.
|
|
|
3 By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */
|
|
|
4 /* { dg-do compile } */
|
|
|
5 /* { dg-options "-Wtraditional" } */
|
|
|
6
|
|
|
7 union foo
|
|
|
8 {
|
|
|
9 int i;
|
|
|
10 long l;
|
|
|
11 };
|
|
|
12
|
|
|
13 void
|
|
|
14 testfunc ()
|
|
|
15 {
|
|
|
16 /* Note we only warn for nonzero initializers. */
|
|
|
17 static union foo f1 = { 0 };
|
|
|
18 static union foo f2 = { 1 }; /* { dg-warning "traditional C rejects initialization of unions" "initialization of unions" } */
|
|
|
19
|
|
|
20 # 21 "sys-header.h" 3
|
|
|
21 /* We are in system headers now, no -Wtraditional warnings should issue. */
|
|
|
22
|
|
|
23 static union foo f3 = { 0 };
|
|
|
24 static union foo f4 = { 1 };
|
|
|
25 }
|
