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Ignore non-existent refs in the transformed DWARF #149

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Merged
sunfishcode merged 1 commit into from
Jun 26, 2019
Merged

Ignore non-existent refs in the transformed DWARF #149

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7 changes: 5 additions & 2 deletions wasmtime-debug/src/transform.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -568,8 +568,11 @@ where
}
for (die_id, attr_name, offset) in pending_die_refs {
let die = comp_unit.get_mut(die_id);
let unit_id = die_ref_map[&offset];
die.set(attr_name, write::AttributeValue::ThisUnitEntryRef(unit_id));
// TODO we probably loosing DW_AT_abstract_origin and DW_AT_type references
// here, find out if we drop stuff we don't need to.
if let Some(unit_id) = die_ref_map.get(&offset) {
die.set(attr_name, write::AttributeValue::ThisUnitEntryRef(*unit_id));
}
}
Ok(())
}
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