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Ignore non-existent refs in the transformed DWARF

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This commit is contained in:
Yury Delendik
2019-05-15 09:35:43 -05:00
committed by Dan Gohman
parent c0ba4753eb
commit 19cfec6e8f
1 changed files with 5 additions and 2 deletions
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7
wasmtime-debug/src/transform.rs
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@@ -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(())
}