refactor and cleanup region errors for NLL - #52021

Merged

bors merged 10 commits into

rust-lang:masterfrom

nikomatsakis:nll-region-errors

Jul 7, 2018

Commits on Jul 3, 2018

error_report: rustfmt
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ea0224f
simplify and cleanup error-reporting walk code
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09f431f
generalize `find_constraint_paths_between_regions`
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dddd407
add "free region helpers"
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f03c036
store the `HirId` of the upvar
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37db94d
add `assert_crate_local` method to `ClearCrossCrate`
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351e78d
promote `error-reporting` to a module
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aae177e
always create a category, even it is just "boring"
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8b3ce9c
universal_regions: rustfmt
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fa02d68

Commits on Jul 4, 2018

write code to extract region names and emit new style message
nikomatsakis
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727f017