[DebugInfo] Use StringRef::starts_with (NFC)#135933

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_001_StringRef_starts_with_llvmkazutakahirata/llvm-project:cleanup_001_StringRef_starts_with_llvmCopy head branch name to clipboard