347f7f3bf4
Make `rustc_onunimplemented` export path agnostic This makes it so that all the matchers that match against paths use the definition path instead of the export path. This removes all duplication around `std`/`alloc`/`core`. This is not necessarily optimal because we now depend on internal implementation details like `core::ops::control_flow::ControlFlow`, which is not very nice and probably not acceptable for a stable `on_unimplemented`. An alternative would be to just string-replace normalize away `alloc`/`core` to `std` as a special case, keeping the export paths but making it so that we're still fully standard library flavor agnostic. Looking at the diff, I'm starting to think that some simple string replacement would go a long way towards fixing the problem of duplication while keeping export paths... What do you prefer? Also `@weiznich` for your thoughts about the stable version. r? compiler-errors |
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