every match arm reads the match's borrowed input#50783

Merged

bors merged 14 commits intorust-lang:masterfrom

pnkfelix:issue-27282-match-borrows-its-input-take-three

May 30, 2018

Commits on May 29, 2018

Debug flag to bypass restriction of mutation in match guards.
pnkfelix
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rust-lang/rust#27282: Add `StatementKind::ReadForMatch` to MIR.
pnkfelix
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rust-lang/rust#27282: emit `ReadForMatch` on each match arm.
pnkfelix
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rust-lang/rust#41962 has a new error with my new code. Incorporate that into my code.
pnkfelix
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Fallout from allowing some mutation in guards.
pnkfelix
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Expand two-phase-borrows so that a case like this still compiles:
pnkfelix
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Test update: Fallout from ReadForMatch statements + changes to codegen under NLL.
pnkfelix
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Tests illustrating the bug fixes for #27282 and #24535.
pnkfelix
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review feedback: fix indentation of pattern candidates to match code elsewhere in file.
pnkfelix
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Review feedback: update fixme comment to reflect reality.
pnkfelix
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Review feedback: Remove a fixme/tbd note and just add a note for the post-NLL future.
pnkfelix
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Review feedback, remove fixme comment.
pnkfelix
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Review feedback: Fix typo.
pnkfelix
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Review feedback: Adding test cases suggested by arielb1.
pnkfelix
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