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Remove needless indirection through Rc #62983

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merged 1 commit into from
Jul 26, 2019

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Mark-Simulacrum
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@Mark-Simulacrum Mark-Simulacrum commented Jul 25, 2019

NamedMatch is already cheap to clone due to Lrc's inside.

NamedMatch is already cheap to clone due to Lrc's inside.
@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jul 25, 2019
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Since this may have performance implications, let's gather performance data:

@bors try

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bors commented Jul 25, 2019

⌛ Trying commit 0e022f8 with merge 126d5c7...

bors added a commit that referenced this pull request Jul 25, 2019
Remove needless indirection through Rc

NamedMatch is already cheap to clone due to Lrc's inside.
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bors commented Jul 25, 2019

☀️ Try build successful - checks-azure
Build commit: 126d5c7

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@rust-timer build 126d5c7

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Success: Queued 126d5c7 with parent eedf6ce, comparison URL.

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r=me when perf is ready

@petrochenkov petrochenkov added S-waiting-on-perf Status: Waiting on a perf run to be completed. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 25, 2019
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Finished benchmarking try commit 126d5c7, comparison URL.

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Perf looks like just noise as I expected, since this isn't really removing an allocation from the hot path and Rc is very cheap.

@bors r=petrochenkov rollup

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bors commented Jul 25, 2019

📌 Commit 0e022f8 has been approved by petrochenkov

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jul 25, 2019
@Mark-Simulacrum Mark-Simulacrum removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jul 25, 2019
Centril added a commit to Centril/rust that referenced this pull request Jul 26, 2019
… r=petrochenkov

Remove needless indirection through Rc

NamedMatch is already cheap to clone due to Lrc's inside.
bors added a commit that referenced this pull request Jul 26, 2019
Rollup of 14 pull requests

Successful merges:

 - #62084 (allow clippy::unreadable_literal in unicode tables)
 - #62421 (Introduce `as_deref` to Option)
 - #62692 (rustc: precompute the largest Niche and store it in LayoutDetails.)
 - #62801 (Remove support for -Zlower-128bit-ops)
 - #62828 (Remove vector fadd/fmul reduction workarounds)
 - #62862 (code cleanup)
 - #62897 (Attempt to fix backtrace tests on i686-msvc)
 - #62904 (Disable d32 on armv6 hf targets)
 - #62907 (Initialize the MSP430 AsmParser)
 - #62956 (Implement slow-path for FirstSets::first)
 - #62963 (Allow lexer to recover from some homoglyphs)
 - #62970 (ci: gate toolstate repo pushes on the TOOLSTATE_PUBLISH envvar)
 - #62983 (Remove needless indirection through Rc)
 - #62985 (librustc_errors: Support ui-testing flag in annotate-snippet emitter)

Failed merges:

r? @ghost
Centril added a commit to Centril/rust that referenced this pull request Jul 26, 2019
… r=petrochenkov

Remove needless indirection through Rc

NamedMatch is already cheap to clone due to Lrc's inside.
Centril added a commit to Centril/rust that referenced this pull request Jul 26, 2019
… r=petrochenkov

Remove needless indirection through Rc

NamedMatch is already cheap to clone due to Lrc's inside.
bors added a commit that referenced this pull request Jul 26, 2019
Rollup of 22 pull requests

Successful merges:

 - #62084 (allow clippy::unreadable_literal in unicode tables)
 - #62120 (Add missing type links in documentation)
 - #62310 (Add missing doc links in boxed module)
 - #62421 (Introduce `as_deref` to Option)
 - #62583 (Implement Unpin for all raw pointers)
 - #62692 (rustc: precompute the largest Niche and store it in LayoutDetails.)
 - #62801 (Remove support for -Zlower-128bit-ops)
 - #62828 (Remove vector fadd/fmul reduction workarounds)
 - #62862 (code cleanup)
 - #62904 (Disable d32 on armv6 hf targets)
 - #62907 (Initialize the MSP430 AsmParser)
 - #62956 (Implement slow-path for FirstSets::first)
 - #62963 (Allow lexer to recover from some homoglyphs)
 - #62964 (clarify and unify some type test names)
 - #62970 (ci: gate toolstate repo pushes on the TOOLSTATE_PUBLISH envvar)
 - #62980 (std: Add more accessors for `Metadata` on Windows)
 - #62983 (Remove needless indirection through Rc)
 - #62985 (librustc_errors: Support ui-testing flag in annotate-snippet emitter)
 - #63002 (error_index_generator should output stdout/stderr when it panics.)
 - #63004 (Add test for issue-54062)
 - #63007 (ci: debug network failures while downloading awscli from PyPI)
 - #63009 (Remove redundant `mut` from variable declaration.)

Failed merges:

r? @ghost
@bors bors merged commit 0e022f8 into rust-lang:master Jul 26, 2019
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5 participants