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Yuki Okushi
b263b7e64c
Deny associated type bindings within associated type bindings Fixes #102335 This was made worse by #100865, which unified the way we generate substs for GATs and non-generic associated types. However, the issue was not _caused_ by #100865, evidenced by the test I added for GATs: ```rust trait T { type A: S<C<(), i32 = ()> = ()>; //~^ ERROR associated type bindings are not allowed here } trait Q {} trait S { type C<T>: Q; } fn main() {} ``` ^ which passes on beta (where GATs are stable) and presumably ever since GATs support was added to `create_substs_for_associated_item` in astconv.
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