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Dont ICE when computing coverage of synthetic async closure body

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This commit is contained in:
Michael Goulet 2024-10-16 16:09:41 -04:00 • committed by Zalathar
parent e7c0d27507
commit cdbf28af76
7 changed files with 102 additions and 19 deletions
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5
compiler/rustc_mir_transform/src/coverage/mod.rs
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@ -524,6 +524,11 @@ fn extract_hir_info<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> ExtractedHir
// FIXME(#79625): Consider improving MIR to provide the information needed, to avoid going back
// to HIR for it.
// HACK: For synthetic MIR bodies (async closures), use the def id of the HIR body.
if tcx.is_synthetic_mir(def_id) {
return extract_hir_info(tcx, tcx.local_parent(def_id));
}
let hir_node = tcx.hir_node_by_def_id(def_id);
let fn_body_id = hir_node.body_id().expect("HIR node is a function with body");
let hir_body = tcx.hir().body(fn_body_id);