NLL: temps in block tail expression diagnostic#54782

Merged

bors merged 10 commits intorust-lang:masterfrom

pnkfelix:issue-54556-semi-on-tail-diagnostic

Oct 7, 2018

Commits on Oct 5, 2018

Add flag to `mir::LocalDecl` to track whether its a temp from some subexpr a block tail expression.
pnkfelix
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Update doc for `explain_why_borrow_contains_point` to reflect its newer API.
pnkfelix
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Fix `debug!` to reflect rename of `explain_why_borrow_contains_point`.
pnkfelix
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Alpha-rename `BorrowExplanation::emit` to `BorrowExplanation::add_explanation_to_diagnostic`.
pnkfelix
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Have `add_explanation_to_diagnostic` also take `Mir` as parameter.
pnkfelix
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Replaced `String` with `&str` in API for `add_explanation_to_diagnostic`.
pnkfelix
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Improve diagnostics for borrow-check errors that result from drops of temporary r-values.
pnkfelix
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Updates to .stderr output in ui tests from earlier changes.
pnkfelix
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Unit tests for issue #54556. Some were also taken from issues #21114, #46413.
pnkfelix
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Add doc comment explaining what `BlockTailInfo` is.
pnkfelix
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