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Disable the null check elimination pass #30165

Merged
merged 1 commit into from
Dec 3, 2015
Merged

Disable the null check elimination pass #30165

merged 1 commit into from
Dec 3, 2015

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dotdash
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@dotdash dotdash commented Dec 2, 2015

This pass causes mis-optimizations in some cases and is probably no
longer really important for us, so let's disable it for now.

Fixes #30081

@dotdash
Disable the null check elimination pass
d7ccea6 
This pass causes mis-optimizations in some cases and is probably no
longer really important for us, so let's disable it for now.

Fixes rust-lang#30081
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r? @brson

(rust_highfive has picked a reviewer for you, use r? to override)

@alexcrichton
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@bors: r+ d7ccea6

Thanks!

@brson brson added beta-nominated Nominated for backporting to the compiler in the beta channel. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. I-nominated labels Dec 2, 2015
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brson commented Dec 2, 2015

This affects beta too.

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brson commented Dec 2, 2015

cc @rust-lang/compiler

Edit: I'm just going to do the port.

@brson brson added beta-accepted Accepted for backporting to the compiler in the beta channel. and removed I-nominated labels Dec 2, 2015
@brson brson mentioned this pull request Dec 2, 2015
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@brson brson removed the beta-nominated Nominated for backporting to the compiler in the beta channel. label Dec 2, 2015
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bors commented Dec 2, 2015

⌛ Testing commit d7ccea6 with merge abfadfe...

bors added a commit that referenced this pull request Dec 2, 2015
@bors
Auto merge of #30165 - dotdash:no_null_elim, r=alexcrichton
abfadfe 
This pass causes mis-optimizations in some cases and is probably no
longer really important for us, so let's disable it for now.

Fixes #30081
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bors commented Dec 3, 2015

☀️ Test successful - auto-linux-32-nopt-t, auto-linux-32-opt, auto-linux-64-debug-opt, auto-linux-64-nopt-t, auto-linux-64-opt, auto-linux-64-x-android-t, auto-linux-cross-opt, auto-linux-musl-64-opt, auto-mac-32-opt, auto-mac-64-nopt-t, auto-mac-64-opt, auto-win-gnu-32-nopt-t, auto-win-gnu-32-opt, auto-win-gnu-64-nopt-t, auto-win-gnu-64-opt, auto-win-msvc-32-opt, auto-win-msvc-64-opt

@bors bors merged commit d7ccea6 into rust-lang:master Dec 3, 2015
@dotdash dotdash deleted the no_null_elim branch January 31, 2016 15:28
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