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Regression: overflow evaluating X: MetaSized

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

P-lowLow priorityLow priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

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.

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.

#143830 In rust-lang/rust;

· Mark-Simulacrum opened on Jul 12, 2025