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fix promotion of MIR terminators - #38833
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promotion of MIR terminators used to try to promote the destination it is trying to promote, leading to stack overflow. Fixesrust-lang#37991.
eddyb
commented
Jan 4, 2017
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Hah, I'm glad I checked first, I finally had some time to spend on this (I'll go do #38074 instead). |
eddyb
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Jan 4, 2017
eddyb
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Jan 4, 2017
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@bors r+ Nice rewrite! |
bors
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Jan 4, 2017
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📌 Commit 99aa48d has been approved by |
nikomatsakis
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Jan 5, 2017
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After discussing in @rust-lang/compiler meeting, decided to approve for backport. Fixes a regression, minimal risk. |
alexcrichton
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Jan 6, 2017
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@bors: p=1 This is a backport |
bors
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Jan 6, 2017
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⌛ Testing commit 99aa48d with merge aa0c250... |
bors
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Jan 6, 2017
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💔 Test failed - status-appveyor |
alexcrichton
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| … On Thu, Jan 5, 2017 at 10:41 PM, bors ***@***.***> wrote:
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bors
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Jan 6, 2017
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bors added a commit
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Jan 6, 2017
fix promotion of MIR terminators promotion of MIR terminators used to try to promote the destination it is trying to promote, leading to stack overflow. Also clean up the code in `promote_temp` a bit to make it more understandable. Fixes#37991. cc @nikomatsakis r? @eddyb
bors
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Jan 6, 2017
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☀️ Test successful - status-appveyor, status-travis |
nikomatsakis
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Jan 6, 2017
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@bors r- |
nikomatsakis
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Jan 6, 2017
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oh, never mind :) |
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Jan 11, 2017
fix function arguments in constant promotion we can't create the target block until *after* we promote the arguments - otherwise the arguments will be promoted into the target block. oops. Fixes#38985. This is a regression introduced in the beta-nominated #38833, so beta-nominating this one too (sorry @brson). r? @eddyb
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promotion of MIR terminators used to try to promote the destination it
is trying to promote, leading to stack overflow.
Also clean up the code in
promote_tempa bit to make it more understandable.Fixes#37991.
cc @nikomatsakis
r? @eddyb