clayborg added inline comments.
================
Comment at: source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp:425
const DWARFDebugInfoEntry *die = GetUnitDIEPtrOnly();
const dw_offset_t cu_offset = GetOffset();
----------------
Following from inline comment below, you can abort if this CU is empty:
```
// If this DWARF unit has no children, we have no address ranges to add. If
// something is built with line tables only, there will still be function DIEs
with
// address ranges as children.
if (!die->HasChildren())
return;
```
================
Comment at: source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp:439
+ die->GetAttributeAddressRanges(dwarf, this, ranges, check_hi_lo_pc);
+
if (num_ranges > 0) {
----------------
Empty CUs won't have any children. Easy to skip by getting the CU die and doing:
```
if (!die->HasChildren())
```
================
Comment at: source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp:488-489
}
- } else
- debug_map_sym_file->AddOSOARanges(dwarf, debug_aranges);
+ } //else
+ //debug_map_sym_file->AddOSOARanges(dwarf, debug_aranges);
}
----------------
revert if the "if (!die->hasChildren())" trick works.
https://reviews.llvm.org/D52375
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