1foo: u32,
 2bar: u32,
 3qux: u32,
 4
 5const foo = 123;
 6
 7var bar: u8 = undefined;
 8fn bar() void {}
 9
10// error
11//
12// :1:1: error: duplicate struct member name 'foo'
13// :5:7: note: duplicate name here
14// :1:1: note: struct declared here
15// :2:1: error: duplicate struct member name 'bar'
16// :7:5: note: duplicate name here
17// :8:4: note: duplicate name here
18// :1:1: note: struct declared here