Index: clang-20.1.0.src.src/lib/Driver/Driver.cpp

===================================================================

--- clang-20.1.0.src.src.orig/lib/Driver/Driver.cpp

+++ clang-20.1.0.src.src/lib/Driver/Driver.cpp

@@ -176,7 +176,7 @@

   // Dir is bin/ or lib/, depending on where BinaryPath is.

   StringRef Dir = llvm::sys::path::parent_path(BinaryPath);

-  SmallString<128> P(Dir);

+  SmallString<128> P((Dir != "") ? Dir : "/usr/bin/");

   StringRef ConfiguredResourceDir(CLANG_RESOURCE_DIR);

   if (!ConfiguredResourceDir.empty()) {

​