File clang-resourcedirs.patch of Package llvm22.devel_tools_compiler

Index: clang/lib/Options/OptionUtils.cpp
===================================================================
--- clang/lib/Options/OptionUtils.cpp
+++ clang/lib/Options/OptionUtils.cpp
@@ -213,7 +213,7 @@
 
   // 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()) {