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// https://doc.rust-lang.org/error_codes/E0124.html fn main() { struct Foo { field1: i32, // { dg-error "field .field1. is already declared" } field1: i32, // { dg-error "field .field1. is already declared" } field1: i32, // { dg-error "field .field1. is already declared" } } }