Delete the temp dir even when '--temp-dir' is specified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75374 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CompilerDriver/Main.cpp b/lib/CompilerDriver/Main.cpp
index cd7bc47..3e1fc9f 100644
--- a/lib/CompilerDriver/Main.cpp
+++ b/lib/CompilerDriver/Main.cpp
@@ -62,8 +62,7 @@
   int BuildTargets(CompilationGraph& graph, const LanguageMap& langMap) {
     int ret;
     const sys::Path& tempDir = getTempDir();
-    bool toDelete =
-      (SaveTemps == SaveTempsEnum::Unset && TempDirname.empty());
+    bool toDelete = (SaveTemps == SaveTempsEnum::Unset);
 
     try {
       ret = graph.Build(tempDir, langMap);