1 /* Test for bit-field widths not integer constant expressions but
2 folding to integer constants: PR 42439. */
3 /* { dg-do compile } */
4 /* { dg-options "-O2" } */
5
6 void
f(void)7 f (void)
8 {
9 const int m = 1;
10 ((void)(sizeof(struct { int i:!!m; })));
11 }
12