Ralf Jung
effcc70c7c
Use the normal arg-parsing machinery for `-Zassert-incr-state` The flag parser for `-Zassert-incr-state` currently extracts an `Option<String>`, and then performs an ad-hoc parsing step slightly later. From looking at https://github.com/rust-lang/rust/pull/90386, I can't see any reason why it doesn't just use the normal flag-parsing machinery. A second commit also extracts the underlying implementation to a separate helper function, so that it isn't cluttering up the main control flow. I found this while working on larger cleanups to incremental-file loading.
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