ICE in as_string, at rust/typecheck/rust-tyty-variance-analysis.cc: recursive struct

Open

#4,733 opened on Jul 31, 2026 0 comments 0 reactions 0 assignees View on GitHub

Maintainers usually reply within 3 days

Nobody has claimed this yet.

Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 45/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Quiet
Tech stack: cpp, rust
Domain: compilers

Research direction

Start with the reduced Rust reproducer in /tmp/im/gcc/snippet_150.rs and the referenced variance-analysis code in gcc/rust/typecheck/rust-tyty-variance-analysis.cc:119-131. Run the provided crab1 command to reproduce the ICE, then verify that compiling the recursive-struct case no longer crashes.

Written by the indexing model from the issue text.

Description

bug

auto-reduced (treereduce-rust):

//@compile-flags: -frust-debug -frust-incomplete-and-experimental-compiler-do-not-use -frust-crate-attr=no_core
pub struct Problem<'a> {
    pub dat: &'a [u8; Problem::C],
}

impl<'a> Problem<'a> {
    const C: usize = 0;
}

original:

pub struct Problem<'a> {
    pub dat: &'a [u8; Problem::C],
}

impl<'a> Problem<'a> {
	const C: usize = 0;
}

fn main() {}

Version information:

c539964b8cc842e871d77b45150df6a5882335fb

Command:
/home/matthias/vcs/github/gccrs/gccrs-build/gcc/crab1 -frust-debug -frust-incomplete-and-experimental-compiler-do-not-use -frust-crate-attr=no_core -frust-crate-attr=feature(no_core)

Program output

crab1: note: Preparing to parse files. 
crab1: note: Attempting to parse file: /tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs
crab1: note: skipped left angle in generic param
crab1: note: finished parsing actual generic params (i.e. inside angles)
crab1: note: beginning null denotation identifier handling
crab1: note: parsing null denotation after path
crab1: note: skipped left angle in generic param
crab1: note: finished parsing actual generic params (i.e. inside angles)
crab1: note: successfully parsed inherent impl
crab1: note: inferred crate name: mvce
crab1: note: [0;31mSUCCESSFULLY PARSED CRATE [0m
crab1: note: ran register_plugins (with no body)
crab1: note: [0;31mSUCCESSFULLY REGISTERED PLUGINS [0m
crab1: note: started injection
crab1: note: finished injection
crab1: note: [0;31mSUCCESSFULLY FINISHED INJECTION [0m
crab1: note: started expansion
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: str, v: (S)[] (NS)[68] (G)[]
crab1: note: current_rib: k: char, v: (S)[] (NS)[67] (G)[]
crab1: note: current_rib: k: isize, v: (S)[] (NS)[66] (G)[]
crab1: note: current_rib: k: u8, v: (S)[] (NS)[53] (G)[]
crab1: note: current_rib: k: u64, v: (S)[] (NS)[56] (G)[]
crab1: note: current_rib: k: u16, v: (S)[] (NS)[54] (G)[]
crab1: note: current_rib: k: u32, v: (S)[] (NS)[55] (G)[]
crab1: note: current_rib: k: i16, v: (S)[] (NS)[59] (G)[]
crab1: note: current_rib: k: !, v: (S)[] (NS)[69] (G)[]
crab1: note: current_rib: k: u128, v: (S)[] (NS)[57] (G)[]
crab1: note: current_rib: k: bool, v: (S)[] (NS)[52] (G)[]
crab1: note: current_rib: k: i32, v: (S)[] (NS)[60] (G)[]
crab1: note: current_rib: k: f32, v: (S)[] (NS)[63] (G)[]
crab1: note: current_rib: k: i8, v: (S)[] (NS)[58] (G)[]
crab1: note: current_rib: k: i64, v: (S)[] (NS)[61] (G)[]
crab1: note: current_rib: k: i128, v: (S)[] (NS)[62] (G)[]
crab1: note: current_rib: k: usize, v: (S)[] (NS)[65] (G)[]
crab1: note: current_rib: k: f64, v: (S)[] (NS)[64] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(29 [Problem]): existed? no
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? no
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? no
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? no
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: popping link
crab1: note: popping link
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: popping link
crab1: note: popping link
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: popping link
crab1: note: popping link
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: popping link
crab1: note: popping link
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: finished expansion
crab1: note: [0;31mSUCCESSFULLY FINISHED EXPANSION [0m
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: inserting link: Link(29 [Problem]): existed? yes
crab1: note: resolving ::u8
crab1: note: resolving ::Problem::C
crab1: note: resolving ::Problem::C
crab1: note: popping link
crab1: note: popping link
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: resolving ::Problem
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(44 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: inserting link: Link(43 [<anon>]): existed? yes
crab1: note: resolving ::usize
crab1: note: popping link
crab1: note: new cursor: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: C, v: (S)[] (NS)[43] (G)[]
crab1: note: popping link
crab1: note: new cursor: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: popping link
crab1: note: current_rib: k: Self, v: (S)[] (NS)[37] (G)[]
crab1: note: new cursor: k: Problem, v: (S)[] (NS)[29] (G)[]
crab1: note: popping link
crab1: note: popping link
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:2:19: note: root resolved type-path to: [u8]
    2 |     pub dat: &'a [u8; Problem::C],
      |                   ^~
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:1:5: note: resolved item {31} to
    1 | pub struct Problem<'a> {
      |     ^~~~~~
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:2:23: error: cannot find value ‘Problem::C’ in this scope [E0425]
    2 |     pub dat: &'a [u8; Problem::C],
      |                       ^~~~~~~
crab1: note: add_type_constraints: Problem{Problem {dat:& <tyty::error>}}
crab1: note: 	add_constraint_from_ty: & <tyty::error> with v=+
crab1: note: 		add_constraint: +
crab1: note: 	add_constraint_from_ty: <tyty::error> with v=+
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:5:1: note: resolved impl block type {35} to
    5 | impl<'a> Problem<'a> {
      | ^~~~
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:5:10: note: root resolved type-path to: [Problem]
    5 | impl<'a> Problem<'a> {
      |          ^~~~~~~
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:5:1: note: begin unify_site_and commit false infer true check_bounds true id={0} expected={Problem} expr={Problem}
    5 | impl<'a> Problem<'a> {
      | ^~~~
crab1: note: unify::go ltype={Problem} rtype={Problem}
crab1: note: unify::go ltype={& <tyty::error>} rtype={& <tyty::error>}
crab1: note: unify::go ltype={<tyty::error>} rtype={<tyty::error>}
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:5:1: note: unify_site_and done ok=false commit false infer true id={0} expected={Problem} expr={Problem}
    5 | impl<'a> Problem<'a> {
      | ^~~~
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:2:32: error: failed to resolve path segment using an impl Probe
    2 |     pub dat: &'a [u8; Problem::C],
      |                                ^
crab1: note: add_type_constraints: Problem{Problem {dat:& <tyty::error>}}
crab1: note: 	add_constraint_from_ty: & <tyty::error> with v=+
crab1: note: 		add_constraint: +
crab1: note: 	add_constraint_from_ty: <tyty::error> with v=+
/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs:6:14: note: root resolved type-path to: [usize]
    6 |     const C: usize = 0;
      |              ^~~~~
crab1: note: unify_site id={40} expected={usize} expr={<integer>}
crab1: note: unify::go ltype={usize} rtype={<integer>}
crab1: note: Variance analysis solving started:
crab1: note: Variance analysis results:
crab1: internal compiler error: in as_string, at rust/typecheck/rust-tyty-variance-analysis.cc:125
0x32edd17 internal_error(char const*, ...)
	../../gcc/diagnostic-global-context.cc:787
0xc847b9 fancy_abort(char const*, int, char const*)
	../../gcc/diagnostics/context.cc:1813
0x921da5 Rust::TyTy::VarianceAnalysis::Variance::as_string[abi:cxx11]() const
	../../gcc/rust/typecheck/rust-tyty-variance-analysis.cc:125
0x921da5 Rust::TyTy::VarianceAnalysis::Variance::as_string[abi:cxx11]() const
	../../gcc/rust/typecheck/rust-tyty-variance-analysis.cc:112
0x107734f Rust::TyTy::VarianceAnalysis::GenericTyPerCrateCtx::debug_print_solutions()
	../../gcc/rust/typecheck/rust-tyty-variance-analysis.cc:195
0xecc411 Rust::Session::compile_crate(char const*)
	../../gcc/rust/rust-session-manager.cc:810
/home/matthias/vcs/github/gccrs/gccrs-build/gcc/crab1 /tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/mvce.rs -o/tmp/icemaker_global_tempdir.dOHUSECYKF5i/rustc_testrunner_tmpdir_reporting.OSmGrfUfVM9J/binaryname -frust-debug -frust-incomplete-and-experimental-compiler-do-not-use -frust-crate-attr=no_core -frust-crate-attr=feature(no_core)
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

Dominant language: C++
Stars: 3k
Forks: 238
Avg merge: 4d 8h
Merged PRs (30d): 31

Getting set up

Ships a Dockerfile or Docker Compose file
Has a pull request template
Read the contributing guide

First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

More from Rust-GCC/gccrs

gccrs not check comma in enum defination
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 65/100

Rust-GCC/gccrs#5069 · Opened Nov 7, 2026

Maintainers usually reply within 3 days
Allow pattern matching of floating point literals
Possibly taken @Vivekkumar0995 claimed this 7 days ago. Open
- Is something wrong?
cleanup good-first-pr typechecking

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

Rust-GCC/gccrs#5047 · 3 comments · 1 assignee · Opened Nov 2, 2026

Maintainers usually reply within 3 days
ICE in variance analysis on core, projection field keeps the impl's type param
Possibly taken @u7k4rs6 claimed this 1 day ago. Open
- Is something wrong?
typechecking

Rust-GCC/gccrs#5074 · 1 assignee · Opened Nov 9, 2026

Maintainers usually reply within 3 days
Invalid object safety error on `Hash` implementation of `Pin`
Open
- Is something wrong?
subset-error typechecking

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Rust-GCC/gccrs#5073 · Opened Nov 9, 2026

Maintainers usually reply within 3 days
Missing warning for unnecessary trailing semicolon
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 46/100

Rust-GCC/gccrs#5060 · 2 comments · Opened Nov 5, 2026

Maintainers usually reply within 3 days

All issues in Rust-GCC/gccrs

Similar issues

[mlir][linalg] Verifier crashes on rank-0 linalg.transpose with empty permutation
Open
- Is something wrong?
mlir

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

llvm/llvm-project#241070 · 1 comment · Opened Nov 11, 2026

Maintainers usually reply within 1 day
Page request: clang-repl
Open
- Is something wrong?
help wanted new command

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

tldr-pages/tldr#25111 · Opened Nov 10, 2026

Maintainers usually reply within 1 day
[Bug] Missing Markdown sidecar drops HTML cache validators on fallback
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 88/100

morluto/rea#9876 · Opened Nov 10, 2026

Maintainers usually reply within 1 day
Ask the `ServerHelper` for fresh headers on every poll in `Future::get`, as is done for cookies
Open
- Is something wrong?
enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 77/100

NVIDIA/cuda-quantum#5886 · Opened Nov 10, 2026

Maintainers usually reply within 1 day
local-overlay-store: a stale `tmp-*` directory in the upper layer makes every GC fail
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 66/100

NixOS/nix#16796 · Opened Nov 10, 2026

Maintainers usually reply within 1 day

More C++ issues

ICE in as_string, at rust/typecheck/rust-tyty-variance-analysis.cc: recursive struct

Is something wrong?

Assessment

Research direction

Description

Getting set up

First steps

More from Rust-GCC/gccrs

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Similar issues

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Is something wrong?

Get new issues in your inbox