reject partial init and reinit of uninitialized data#54941

Merged

bors merged 9 commits intorust-lang:masterfrom

pnkfelix:issue-21232-reject-partial-reinit

Oct 17, 2018

Commits on Oct 16, 2018

Add `Place::base_local` method and improve doc for `Place::local` to clarify why we need the former.
pnkfelix
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Make us error consistently in issue #21232, to fix #54986.
pnkfelix
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Add helper method to determine if local had ever been initialized at current point in flow.
pnkfelix
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Cleanup `fn is_mutable` by removing some unnecessary control-flow breaks.
pnkfelix
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Don't complain re missing `mut` on attempt to partially initialize an uninitialized struct.
pnkfelix
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Add ignore-compare-mode-nll to some run-pass tests that become compile-fail under #54986.
pnkfelix
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updates to existing ui/borrowck tests.
pnkfelix
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updates to expected output for other ui tests.
pnkfelix
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Commits on Oct 17, 2018

Some new tests I added.
pnkfelix
committed