================
@@ -621,7 +621,10 @@ std::optional<uint64_t>
DWARFDebugNames::Entry::getCUIndex() const {
if (std::optional<DWARFFormValue> Off = lookup(dwarf::DW_IDX_compile_unit))
return Off->getAsUnsignedConstant();
// In a per-CU index, the entries without a DW_IDX_compile_unit attribute
- // implicitly refer to the single CU.
+ // implicitly refer to the single CU, but only if we don't have a
----------------
jeffreytan81 wrote:
I wonder why do we really need this check?
With this check, when there is no `DW_IDX_compile_unit` but `DW_IDX_type_unit`
presents, `getCUIndex` will return `nullopt`. Per my understanding, this is
split dwarf (per-CU index) + TU scenario which we should return `0` instead of
`nulptr`, right?
https://github.com/llvm/llvm-project/pull/72952
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