[llvm-dwp] Fix FoundCUUnit problem on soft-stop with DWARF5#169783

Jinjie-Huang merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

Jinjie-Huang:fix_dwp_cu_found_on_soft_stopJinjie-Huang/llvm-project:fix_dwp_cu_found_on_soft_stopCopy head branch name to clipboard