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ICE: Not enough bound vars: BoundRegion { var: 0, kind: BrNamed(DefId(0:17 ~ mvce[4307]::Trait::description::'_), '_) } not found in []
#122550
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Category: This is a bug.
F-fn_delegation
`#![feature(fn_delegation)]`
I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
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This issue requires a build of rustc or tooling with debug-assertions in some way
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Status: A Minimal Complete and Verifiable Example has been found for this issue
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matthiaskrgr
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I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
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C-bug
Category: This is a bug.
requires-debug-assertions
This issue requires a build of rustc or tooling with debug-assertions in some way
F-fn_delegation
`#![feature(fn_delegation)]`
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Mar 15, 2024
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…trochenkov Delegation: fix ICE on `bound_vars` divergence Fixes rust-lang#122550. Bug was caused by divergence between lowered type and corresponding `bound_vars` in `late_bound_vars_map`. In this patch `bound_vars` calculation for delegation item is moved from `lower_fn_ty` to `resolve_bound_vars` query. r? `@petrochenkov`
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Rollup merge of rust-lang#122881 - Bryanskiy:delegation-fixes-2, r=petrochenkov Delegation: fix ICE on `bound_vars` divergence Fixes rust-lang#122550. Bug was caused by divergence between lowered type and corresponding `bound_vars` in `late_bound_vars_map`. In this patch `bound_vars` calculation for delegation item is moved from `lower_fn_ty` to `resolve_bound_vars` query. r? `@petrochenkov`
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Labels
C-bug
Category: This is a bug.
F-fn_delegation
`#![feature(fn_delegation)]`
I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
requires-debug-assertions
This issue requires a build of rustc or tooling with debug-assertions in some way
S-has-mcve
Status: A Minimal Complete and Verifiable Example has been found for this issue
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
auto-reduced (treereduce-rust):
original (from tests/ui/delegation/explicit-paths-pass.rs )
Version information
Command:
/home/matthias/.rustup/toolchains/local-debug-assertions/bin/rustc -Zincremental-verify-ich=yes -Cincremental=<dir> -Cdebuginfo=2
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