Move -fnext-runtime defaulting to driver (and change clang-cc default to
-fnext-runtime), instead of using getDefaultLangOptions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89058 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index c8e52fe..3537bc5 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -396,7 +396,8 @@
   Res.push_back(Opts.Exceptions ? "1" : "0");
   Res.push_back("-frtti");
   Res.push_back(Opts.Rtti ? "1" : "0");
-  Res.push_back(Opts.NeXTRuntime ? "-fnext-runtime" : "-fgnu-runtime");
+  if (!Opts.NeXTRuntime)
+    Res.push_back("-fgnu-runtime");
   if (Opts.Freestanding)
     Res.push_back("-ffreestanding");
   if (Opts.NoBuiltin)