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rustc hangs when resolving trait impl with invalid type parameters

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

fixed-by-next-solverFixed by the next-generation trait solver, `-Znext-solver`.Fixed by the next-generation trait solver, `-Znext-solver`.

I-hangIssue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#142863 In rust-lang/rust;

· sososopy opened on Jun 22, 2025

rustc-LLVM ERROR of ControlFlowIntegrit

A-control-flow-integrityArea: Control Flow Integrity (CFI) security mitigationArea: Control Flow Integrity (CFI) security mitigation

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-sanitizersArea: Sanitizers for correctness and code qualityArea: Sanitizers for correctness and code quality

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

I-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

PG-exploit-mitigationsProject group: Exploit mitigationsProject group: Exploit mitigations

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#142284 In rust-lang/rust;

· zsdfbb opened on Jun 10, 2025

ICE compiler/rustc_query_system/src/dep_graph/query.rs index out of bounds

A-incr-compArea: Incremental compilationArea: Incremental compilation

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#142152 In rust-lang/rust;

· matthiaskrgr opened on Jun 7, 2025

ICE: <code>type parameter </code>T/#1<code> (T/#1/1) out of range when instantiating, args=[?2t]</code>

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

F-associated_const_equality`#![feature(associated_const_equality)]``#![feature(associated_const_equality)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141919 In rust-lang/rust;

· cushionbadak opened on Jun 2, 2025

ICE:failed to build vtable representation:SizeOverflow

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141911 In rust-lang/rust;

· sososopy opened on Jun 2, 2025

ICE:called <code>Result::unwrap()</code> on an <code>Err</code> value: NoSolution

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141806 In rust-lang/rust;

· sososopy opened on May 31, 2025

rustc panic with unsize coercion

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141544 In rust-lang/rust;

· DusterTheFirst opened on May 25, 2025

closure_lifetime_binder with explicit lifetime annotation gives ICE: "cannot convert ReLateParam […] to a region vid"

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

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

F-closure_lifetime_binder`#![feature(closure_lifetime_binder)]``#![feature(closure_lifetime_binder)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141504 In rust-lang/rust;

· theemathas opened on May 24, 2025

ICE: unexpected ambiguity: CanonicalQueryInput - broken MIR

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

fixed-by-next-solverFixed by the next-generation trait solver, `-Znext-solver`.Fixed by the next-generation trait solver, `-Znext-solver`.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141478 In rust-lang/rust;

· konnorandrews opened on May 24, 2025

<code>doc_auto_cfg</code> no longer applies a cfg badge to certain inlined cross-crate re-exported items with a <code>#[cfg]</code>

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

A-cross-crate-reexportsArea: Documentation that has been re-exported from a different crateArea: Documentation that has been re-exported from a different crate

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

F-doc_auto_cfg`#![feature(doc_auto_cfg)]``#![feature(doc_auto_cfg)]`

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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

Status: Open.

#141301 In rust-lang/rust;

· epage opened on May 20, 2025

ICE: <code>late-bound type parameter not allowed on function pointer types</code>

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

F-unsafe_binders`#![feature(unsafe_binders)]``#![feature(unsafe_binders)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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.

#141293 In rust-lang/rust;

· matthiaskrgr opened on May 20, 2025

ICE: <code>overflow evaluating the requirement</code> / <code>impl was matchable against binder but now it is not</code>

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-trait-systemArea: Trait systemArea: Trait system

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

S-bug-has-testStatus: This bug is tracked inside the repo by a `known-bug` test.Status: This bug is tracked inside the repo by a `known-bug` test.

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

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

Status: Open.

#141124 In rust-lang/rust;

· matthiaskrgr opened on May 17, 2025