1/* { dg-do compile } */
2/* { dg-options "-Wuninitialized -O2" } */
3
4extern int bar();
5int foo(void)
6{
7 for (;;) {
8   int err = ({int _err; /*  { dg-bogus "uninitialized" "false warning" } */
9     for (int i = 0; i < 16; ++i) {
10       _err = 17;
11       _err = bar();
12     }
13     _err; /*  { dg-bogus "uninitialized" "false warning" } */
14   });
15
16   if (err == 0) return 17;
17 }
18
19 return 18;
20}
21
22