Remove the -ccc-no-clang option.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167093 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index d2aacab..eeb59e8 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -58,7 +58,6 @@
     CCCIsCPP(false),CCCEcho(false), CCCPrintBindings(false),
     CCPrintOptions(false), CCPrintHeaders(false), CCLogDiagnostics(false),
     CCGenDiagnostics(false), CCCGenericGCCName(""), CheckInputsExist(true),
-    CCCUseClang(true),
     ForcedClangUse(false), CCCUsePCH(true), SuppressMissingInputWarning(false) {
 
   Name = llvm::sys::path::stem(ClangExecutable);
@@ -277,7 +276,6 @@
     CCCGenericGCCName = A->getValue(*Args);
   CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch,
                             options::OPT_ccc_pch_is_pth);
-  CCCUseClang = !Args->hasArg(options::OPT_ccc_no_clang);
   // FIXME: DefaultTargetTriple is used by the target-prefixed calls to as/ld
   // and getToolChain is const.
   if (const Arg *A = Args->getLastArg(options::OPT_target))
@@ -1780,7 +1778,7 @@
                                     const llvm::Triple &Triple) const {
   // Check if user requested no clang, or clang doesn't understand this type (we
   // only handle single inputs for now).
-  if (!CCCUseClang || JA.size() != 1 ||
+  if (JA.size() != 1 ||
       !types::isAcceptedByClang((*JA.begin())->getType()))
     return false;