diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 72e18071ed7f0b4871516757883fb5ff2b470a6c..15b2e21d684fb79355f3c7996a4a97a55796f607 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1528,8 +1528,8 @@ mergeAll(const SmallVectorImpl<StringRef> &FileNames, llvm::vfs::FileSystem &FS,
 
   int FD;
   llvm::SmallString<128> TempFileName;
-  EC = llvm::sys::fs::createUniqueFile("./autoconv-temp-%%%%%%.profdata", FD,
-                                       TempFileName);
+  EC = llvm::sys::fs::createTemporaryFile("autoconv-temp", "profdata", FD,
+                                          TempFileName);
   if(EC)
     return llvm::errorCodeToError(EC);
   llvm::raw_fd_ostream OF(FD, true);