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TypeIdHasher: hash usize as u64 #36795

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merged 1 commit into from
Sep 28, 2016
Merged

TypeIdHasher: hash usize as u64 #36795

merged 1 commit into from
Sep 28, 2016

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TimNN
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@TimNN TimNN commented Sep 28, 2016

Fixes #36793.

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r? @eddyb

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eddyb
eddyb reviewed Sep 28, 2016
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src/librustc/ty/util.rs
@@ -436,7 +436,7 @@ impl<'a, 'gcx, 'tcx, H: Hasher> TypeVisitor<'tcx> for TypeIdHasher<'a, 'gcx, 'tc
TyInt(i) => self.hash(i),
TyUint(u) => self.hash(u),
TyFloat(f) => self.hash(f),
TyArray(_, n) => self.hash(n),
TyArray(_, n) => self.hash(n as u64),
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Nice catch! Wait, why do we even do this?! TyArray should've held u64 from the beginning.

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eddyb commented Sep 28, 2016

@bors r+

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bors commented Sep 28, 2016

📌 Commit 4053af9 has been approved by eddyb

@sophiajt sophiajt mentioned this pull request Sep 28, 2016
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sophiajt pushed a commit to sophiajt/rust that referenced this pull request Sep 28, 2016
Rollup merge of rust-lang#36795 - TimNN:fix-36793, r=eddyb
4674601 
TypeIdHasher: hash usize as u64

Fixes rust-lang#36793.
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@bors: p=1

(fixing a regression)

Thanks @TimNN!

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bors commented Sep 28, 2016

⌛ Testing commit 4053af9 with merge f17b1e0...

bors added a commit that referenced this pull request Sep 28, 2016
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Auto merge of #36795 - TimNN:fix-36793, r=eddyb
f17b1e0 
TypeIdHasher: hash usize as u64

Fixes #36793.
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bors commented Sep 28, 2016

☀️ Test successful - auto-linux-32-nopt-t, auto-linux-32-opt, auto-linux-64-cargotest, auto-linux-64-cross-freebsd, auto-linux-64-debug-opt, auto-linux-64-nopt-t, auto-linux-64-opt, auto-linux-64-opt-rustbuild, auto-linux-64-x-android-t, auto-linux-cross-opt, auto-linux-musl-64-opt, auto-mac-32-opt, auto-mac-64-opt, auto-mac-64-opt-rustbuild, auto-mac-cross-ios-opt, auto-win-gnu-32-opt, auto-win-gnu-32-opt-rustbuild, auto-win-gnu-64-opt, auto-win-msvc-32-opt, auto-win-msvc-64-cargotest, auto-win-msvc-64-opt, auto-win-msvc-64-opt-rustbuild
Approved by: eddyb
Pushing f17b1e0 to master...

bors added a commit that referenced this pull request Sep 28, 2016
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Auto merge of #36805 - jonathandturner:rollup, r=jonathandturner
86affcd 
Rollup of 11 pull requests

- Successful merges: #36376, #36672, #36740, #36757, #36765, #36769, #36782, #36783, #36784, #36795, #36796
- Failed merges:
@bors bors merged commit 4053af9 into rust-lang:master Sep 28, 2016
@eddyb eddyb added the beta-nominated Nominated for backporting to the compiler in the beta channel. label Sep 29, 2016
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eddyb commented Sep 29, 2016

Nominating for backport to 1.13 beta on the basis of #36793 (comment) (needed by stage0 cross-compile).

@TimNN TimNN deleted the fix-36793 branch September 30, 2016 09:40
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Regarding the nomination here, unfortunately it looks like this wasn't enough to fix #36793 but the support in #36866 I believe can be backported independently from this.

@brson brson added I-nominated T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Oct 5, 2016
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@alexcrichton are you saying this should not be backported, or just that it is not itself enough and we must backport #36866 too?

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@nikomatsakis I believe this should not be backported as #36866 ended up undoing it after more cases of hashing usize were discovered.

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@alexcrichton ok.

@nikomatsakis nikomatsakis removed the beta-nominated Nominated for backporting to the compiler in the beta channel. label Oct 12, 2016
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Based on @alexcrichton's comments, decided not to backport this PR.

cc @rust-lang/compiler

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@TimNN @rust-highfive @eddyb @bors @alexcrichton @nikomatsakis @brson