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inline attribute on async fn doesn't work properly

A-async-awaitArea: Async & AwaitArea: Async & Await

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-codegenArea: Code generationArea: Code generation

AsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.

C-bugCategory: This is a bug.Category: This is a bug.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

Status: Open.

#63647 In rust-lang/rust;

· comex opened on Aug 16, 2019

· Updated on Aug 17, 2019

#[cold] attribute does is not propagated across crates

A-codegenArea: Code generationArea: Code generation

C-bugCategory: This is a bug.Category: This is a bug.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#64075 In rust-lang/rust;

· matklad opened on Sep 1, 2019

· Updated on Sep 10, 2019

Bad codegen partitioning with non-incremental compile in release mode

A-codegenArea: Code generationArea: Code generation

C-bugCategory: This is a bug.Category: This is a bug.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#52084 In rust-lang/rust;

· jonhoo opened on Jul 5, 2018

· Updated on Oct 2, 2019

Less codegen parallelism than expected with -C codegen-units=16

A-codegenArea: Code generationArea: Code generation

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#64913 In rust-lang/rust;

· SimonSapin opened on Sep 30, 2019

· Updated on Oct 10, 2019

Return value packing for Option<T> and Result<T,E> on WebAssembly

A-codegenArea: Code generationArea: Code generation

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#65882 In rust-lang/rust;

· bvibber opened on Oct 27, 2019

· Updated on Oct 27, 2019

FnAbi computation should be cached.

A-codegenArea: Code generationArea: Code generation

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#65999 In rust-lang/rust;

· eddyb opened on Oct 31, 2019

· Updated on Nov 17, 2019

panic mode where it aborts upon panic iff there are no catch_unwind calls to catch it

A-codegenArea: Code generationArea: Code generation

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-langRelevant to the language team, which will review and decide on the PR/issue.Relevant to the language team, which will review and decide on the PR/issue.

Status: Open.

#49032 In rust-lang/rust;

· michaeleiselsc opened on Mar 15, 2018

· Updated on Dec 9, 2019

Consider storing auto-generated error message strings in separate object file

A-codegenArea: Code generationArea: Code generation

A-incr-compArea: Incremental compilationArea: Incremental compilation

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#37512 In rust-lang/rust;

· michaelwoerister opened on Nov 1, 2016

· Updated on Jan 31, 2020

rustc generates a lot of LLVM IR when using a match in struct field initialization

A-codegenArea: Code generationArea: Code generation

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#68822 In rust-lang/rust;

· evnu opened on Feb 4, 2020

· Updated on Feb 4, 2020

Moving a method from struct impl to trait causes performance degradation

A-codegenArea: Code generationArea: Code generation

C-bugCategory: This is a bug.Category: This is a bug.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#69593 In rust-lang/rust;

· JoshMcguigan opened on Feb 29, 2020

· Updated on Mar 5, 2020

When errors have been emitted, do not continue to codegen stage

A-codegenArea: Code generationArea: Code generation

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#69786 In rust-lang/rust;

· estebank opened on Mar 6, 2020

· Updated on Mar 6, 2020

Consider using pair mode to return scalar pair bools as i1

A-codegenArea: Code generationArea: Code generation

A-craneliftThings relevant to the [future] cranelift backendThings relevant to the [future] cranelift backend

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#52198 In rust-lang/rust;

· cuviper opened on Jul 10, 2018

· Updated on Mar 12, 2020