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Many tests fail with: tried to access a dead local variable #303

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RalfJung opened this issue Aug 13, 2017 · 3 comments
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Many tests fail with: tried to access a dead local variable #303

RalfJung opened this issue Aug 13, 2017 · 3 comments

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@RalfJung
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Looks like something changed in rustc, and it now emits StorageDead/StorageLive differently.
@RalfJung RalfJung changed the title All tests fail with: tried to access a dead local variable Many tests fail with: tried to access a dead local variable Aug 13, 2017
@oli-obk
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oli-obk commented Aug 14, 2017

I think it's purely related to the box keyword. The only related PR I've found is rust-lang/rust#43772

@arielb1 arielb1 mentioned this issue Aug 14, 2017
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bors added a commit to rust-lang/rust that referenced this issue Aug 15, 2017
@bors
Auto merge of #43859 - arielb1:nonfree-block-live, r=nagisa
f6a30bd 
emit StorageLive for box temporaries

We started emitting StorageDead, so we better emit the corrseponding
StorageLive to avoid problems.

cc #43772 rust-lang/miri#303
@RalfJung
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Should be fixed by next nightly, as rust-lang/rust#43859 fixes the issue.

@RalfJung
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Fixed upstream.

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@RalfJung @oli-obk