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Check for free regions in MIR validation

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This commit is contained in:
Ben Kimock 2023-03-05 13:20:17 -05:00
parent bb1838847d
commit cb4ebc1453
2 changed files with 11 additions and 6 deletions
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11
compiler/rustc_const_eval/src/transform/validate.rs
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@ -72,6 +72,17 @@ impl<'tcx> MirPass<'tcx> for Validator {
};
checker.visit_body(body);
checker.check_cleanup_control_flow();
if let MirPhase::Runtime(_) = body.phase {
if let ty::InstanceDef::Item(_) = body.source.instance {
if body.has_free_regions() {
checker.fail(
Location::START,
format!("Free regions in optimized {} MIR", body.phase.name()),
);
}
}
}
}
}