MachineModuleInfoMachO::GetSortedStubs(const DenseMap<const MCSymbol*,
const MCSymbol*> &Map) {
MachineModuleInfoMachO::SymbolListTy List(Map.begin(), Map.end());
- qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
+ if (!List.empty())
+ qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
return List;
}