[Basic] Use StringRef::drop_back (NFC) (#146195)

2025-06-27 22:07:34 -07:00
parent eff28bdd46
commit 7f6d7391cf
1 changed files with 1 additions and 1 deletions
--- a/clang/lib/Basic/FileManager.cpp
+++ b/clang/lib/Basic/FileManager.cpp
@@ -141,7 +141,7 @@ FileManager::getDirectoryRef(StringRef DirName, bool CacheFailure) {
  if (DirName.size() > 1 &&
      DirName != llvm::sys::path::root_path(DirName) &&
      llvm::sys::path::is_separator(DirName.back()))
-    DirName = DirName.substr(0, DirName.size()-1);
+    DirName = DirName.drop_back();
  std::optional<std::string> DirNameStr;
  if (is_style_windows(llvm::sys::path::Style::native)) {
    // Fixing a problem with "clang C:test.c" on Windows.