rust-lang/rustc_public

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Define compiler intermediate representation usable by external tools

Stars: 125
Forks: 19
Open beginner issues: 0
Indexed issues: 46

Dominant language: Rust
License: No license data
Last GitHub push: Aug 20, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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46 open issues indexed

`PassMode` carries `ArgAttributes` only as `Opaque`; can we expose a typed mirror? Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

rust-lang/rustc_public#132 · 6 comments · Opened Sep 3, 2026
Add `Instance::fn_sig()` returning a normalized, monomorphic signature Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

rust-lang/rustc_public#126 · 3 comments · Opened Jun 12, 2026
Add lang items ? Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rust-lang/rustc_public#125 · Opened May 22, 2026
Expose `DefId::is_local` Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

rust-lang/rustc_public#124 · Opened May 22, 2026
Expose `instantiate_bound_regions_with_erased` Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rust-lang/rustc_public#122 · Opened May 22, 2026
Add `GenericArgs::as_closure` Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

rust-lang/rustc_public#121 · Opened May 22, 2026
Retrieve borrowck info(and lifetime info) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#119 · 2 comments · 1 reaction · Opened Mar 15, 2026
Span for variant data / function arguments Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#118 · 5 comments · Opened Feb 16, 2026
Expose IndexedVal trait in rustc_public Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

rust-lang/rustc_public#116 · 2 reactions · Opened Jan 1, 2026
The reason not to hide `RustcInternal` and `Stable` traits Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#110 · 1 comment · Opened Oct 23, 2025
Request: expose stable hash value for DefId Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#102 · 1 reaction · Opened Jun 10, 2025
ICE: `TooGeneric` when set opt-level=1 Open

bug

rust-lang/rustc_public#101 · 2 comments · 3 reactions · 1 assignee · Opened May 21, 2025
Add path and type in Crate Open

rust-lang/rustc_public#100 · 1 comment · 1 assignee · Opened May 13, 2025
Instances from dependency crates are unable to be converted to CrateItem Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rust-lang/rustc_public#99 · 1 comment · Opened May 8, 2025
BorrwError when calling `MirConst.eval_target_usize()` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

rust-lang/rustc_public#96 · 2 comments · Opened Mar 16, 2025
Panic in `item.kind()` when the underlying item kind is GlobalAsm Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

rust-lang/rustc_public#95 · Opened Mar 4, 2025
Panic when calling `Ty::layout` with escaping bound vars Open

rust-lang/rustc_public#94 · 3 comments · 1 assignee · Opened Feb 25, 2025
Expose discriminant values in stable_mir Open

good first issue

rust-lang/rustc_public#93 · 4 comments · 1 assignee · Opened Feb 9, 2025
Info on whether a type implements a trait Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#92 · 3 comments · Opened Jan 23, 2025
onboarding friction log Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#88 · 1 reaction · Opened Aug 30, 2024
Add more queries to AdtDef to check for rust language types Open

good first issue

rust-lang/rustc_public#86 · 1 comment · 1 assignee · Opened Jul 15, 2024
Provide access to item attributes Open

rust-lang/rustc_public#83 · 6 comments · 1 assignee · Opened Jun 18, 2024
Allow users to get generics of a few definitions Open

good first issue

rust-lang/rustc_public#82 · 1 assignee · Opened Jun 11, 2024
Annotate SMIR with lifetime information Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rustc_public#78 · 2 comments · Opened May 10, 2024
Create a StableMIR User Guide Open

rust-lang/rustc_public#76 · 2 comments · 1 assignee · Opened Apr 23, 2024
Create a StableMIR section in Rust Compiler Development Guide Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

rust-lang/rustc_public#75 · Opened Apr 23, 2024
Improve code documentation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#72 · 5 comments · Opened Mar 28, 2024
Add APIs for coroutines equivalent to those for closures Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#70 · 2 comments · Opened Mar 16, 2024
Create a rustc_public driver Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#69 · 1 comment · 1 reaction · Opened Mar 11, 2024
Add an API to resolve the name of a function Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#68 · 14 comments · Opened Mar 7, 2024
Add an API to check if a `Ty` implements a trait Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rustc_public#67 · 1 comment · Opened Mar 2, 2024
Initial Use Case: Port MiniRust Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#66 · 2 comments · 1 reaction · Opened Mar 1, 2024
Add a method to get the `FnAbi` of a function pointer Open

good first issue

rust-lang/rustc_public#63 · 3 comments · 1 assignee · Opened Feb 22, 2024
Add Stable APIs to emit diagnostic messages Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#59 · 4 comments · Opened Jan 4, 2024
Provide `Display` implementation for types that can be used in diagnostic messages Open

good first issue

rust-lang/rustc_public#57 · 4 comments · 1 assignee · Opened Dec 13, 2023
Provide proper encapsulation of StableMIR APIs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#56 · 3 comments · Opened Dec 1, 2023
Improve emit=stable-mir Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#54 · Opened Nov 18, 2023
Replace String with an interned version Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_public#52 · Opened Nov 14, 2023
Figure out why we are printing fully qualified paths for std library for tests Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#41 · 11 comments · Opened Sep 29, 2023
Failures running rustc suite should fail nightly Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#39 · Opened Sep 26, 2023
Clarify and rename `CrateItem` Open

rust-lang/rustc_public#34 · 14 comments · 1 reaction · 1 assignee · Opened Sep 5, 2023
Provide more Debug information for indexed types. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#33 · 2 comments · Opened Sep 4, 2023
Tracking issue for crates.io (v0.1) release Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rustc_public#30 · Opened Sep 1, 2023
Initial use case: a-mir-formality Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_public#29 · 2 comments · Opened Sep 1, 2023
How to make ABI compatible between crates.io release and rustc_smir Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rustc_public#27 · 2 comments · Opened Sep 1, 2023
Abi enum is not very "stable" Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rustc_public#18 · 2 comments · Opened Jul 31, 2023

rust-lang/rustc_public

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