diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index cbe5435..3c818b0 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2037,7 +2037,7 @@
     llvm::sys::path::append(systemVersionFile, "SystemVersion.plist");
 
     llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> buffer =
-        llvm::MemoryBuffer::getFile(systemVersionFile.str());
+        llvm::MemoryBuffer::getFile(systemVersionFile);
     if (buffer) {
       code = hash_combine(code, buffer.get()->getBuffer());