Stuart Cook 8fc568e905
Rollup merge of #146150 - weihanglo:rustdoc-emit, r=aDotInTheVoid
fix(rustdoc): match rustc `--emit` precedence

Resolves rust-lang/rust#141664

This changes rustdoc's `--emit` to allow only one instance of each type, regardless of the actual data that `--emit` carries. This matches rustc's `--emit` behavior.

As of the writing, only `dep-info` emit type carries extra data.
2025-09-04 10:02:04 +10:00
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