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 -pedantic" } */
5 
6 void
f(void)7 f (void)
8 {
9   const int m = 1;
10   ((void)(sizeof(struct { int i:!!m; }))); /* { dg-warning "not an integer constant expression" } */
11 }
12