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Previously, anyRewritableTyVar looked only at the arg and res of `arg -> res`, but their RuntimeReps are also subject to rewriting. Easy to fix. Test case: typecheck/should_compile/T17024 Fixes #17024.
5fa9cb82
Previously, anyRewritableTyVar looked only at the arg and res of `arg -> res`, but their RuntimeReps are also subject to rewriting. Easy to fix. Test case: typecheck/should_compile/T17024 Fixes #17024.