1const Foo = struct {
 2    Bar: i32,
 3    Bar: usize,
 4};
 5
 6const S = struct {
 7    a: u32,
 8    b: u32,
 9    a: u32,
10    a: u64,
11};
12
13export fn a() void {
14    const f: Foo = undefined;
15    _ = f;
16}
17
18export fn b() void {
19    const s: S = undefined;
20    _ = s;
21}
22
23// error
24//
25// :2:5: error: duplicate struct member name 'Bar'
26// :3:5: note: duplicate name here
27// :1:13: note: struct declared here
28// :7:5: error: duplicate struct member name 'a'
29// :9:5: note: duplicate name here
30// :10:5: note: duplicate name here
31// :6:11: note: struct declared here