diff --git a/lib/Driver/Compilation.cpp b/lib/Driver/Compilation.cpp
index 7e29b67..ad3cb8d 100644
--- a/lib/Driver/Compilation.cpp
+++ b/lib/Driver/Compilation.cpp
@@ -23,20 +23,20 @@
 
 Compilation::Compilation(const Driver &D,
                          const ToolChain &_DefaultToolChain,
-                         InputArgList *_Args) 
+                         InputArgList *_Args)
   : TheDriver(D), DefaultToolChain(_DefaultToolChain), Args(_Args) {
 }
 
-Compilation::~Compilation() {  
+Compilation::~Compilation() {
   delete Args;
-  
+
   // Free any derived arg lists.
-  for (llvm::DenseMap<const ToolChain*, DerivedArgList*>::iterator 
+  for (llvm::DenseMap<const ToolChain*, DerivedArgList*>::iterator
          it = TCArgs.begin(), ie = TCArgs.end(); it != ie; ++it)
     delete it->second;
 
   // Free the actions, if built.
-  for (ActionList::iterator it = Actions.begin(), ie = Actions.end(); 
+  for (ActionList::iterator it = Actions.begin(), ie = Actions.end();
        it != ie; ++it)
     delete *it;
 }
@@ -52,7 +52,7 @@
   return *Entry;
 }
 
-void Compilation::PrintJob(llvm::raw_ostream &OS, const Job &J, 
+void Compilation::PrintJob(llvm::raw_ostream &OS, const Job &J,
                            const char *Terminator, bool Quote) const {
   if (const Command *C = dyn_cast<Command>(&J)) {
     OS << " \"" << C->getExecutable() << '"';
@@ -65,22 +65,22 @@
     }
     OS << Terminator;
   } else if (const PipedJob *PJ = dyn_cast<PipedJob>(&J)) {
-    for (PipedJob::const_iterator 
+    for (PipedJob::const_iterator
            it = PJ->begin(), ie = PJ->end(); it != ie; ++it)
       PrintJob(OS, **it, (it + 1 != PJ->end()) ? " |\n" : "\n", Quote);
   } else {
     const JobList *Jobs = cast<JobList>(&J);
-    for (JobList::const_iterator 
+    for (JobList::const_iterator
            it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
       PrintJob(OS, **it, Terminator, Quote);
   }
 }
 
-bool Compilation::CleanupFileList(const ArgStringList &Files, 
+bool Compilation::CleanupFileList(const ArgStringList &Files,
                                   bool IssueErrors) const {
   bool Success = true;
 
-  for (ArgStringList::const_iterator 
+  for (ArgStringList::const_iterator
          it = Files.begin(), ie = Files.end(); it != ie; ++it) {
     llvm::sys::Path P(*it);
     std::string Error;
@@ -92,7 +92,7 @@
 
       // FIXME: Grumble, P.exists() is broken. PR3837.
       struct stat buf;
-      if (::stat(P.c_str(), &buf) == 0 
+      if (::stat(P.c_str(), &buf) == 0
           || errno != ENOENT) {
         if (IssueErrors)
           getDriver().Diag(clang::diag::err_drv_unable_to_remove_file)
@@ -112,12 +112,12 @@
   Argv[0] = C.getExecutable();
   std::copy(C.getArguments().begin(), C.getArguments().end(), Argv+1);
   Argv[C.getArguments().size() + 1] = 0;
-  
+
   if (getDriver().CCCEcho || getArgs().hasArg(options::OPT_v))
     PrintJob(llvm::errs(), C, "\n", false);
-    
+
   std::string Error;
-  int Res = 
+  int Res =
     llvm::sys::Program::ExecuteAndWait(Prog, Argv,
                                        /*env*/0, /*redirects*/0,
                                        /*secondsToWait*/0, /*memoryLimit*/0,
@@ -126,7 +126,7 @@
     assert(Res && "Error string set with 0 result code!");
     getDriver().Diag(clang::diag::err_drv_command_failure) << Error;
   }
-  
+
   if (Res)
     FailingCommand = &C;
 
@@ -134,7 +134,7 @@
   return Res;
 }
 
-int Compilation::ExecuteJob(const Job &J, 
+int Compilation::ExecuteJob(const Job &J,
                             const Command *&FailingCommand) const {
   if (const Command *C = dyn_cast<Command>(&J)) {
     return ExecuteCommand(*C, FailingCommand);
@@ -142,13 +142,13 @@
     // Piped commands with a single job are easy.
     if (PJ->size() == 1)
       return ExecuteCommand(**PJ->begin(), FailingCommand);
-      
+
     FailingCommand = *PJ->begin();
     getDriver().Diag(clang::diag::err_drv_unsupported_opt) << "-pipe";
     return 1;
   } else {
     const JobList *Jobs = cast<JobList>(&J);
-    for (JobList::const_iterator 
+    for (JobList::const_iterator
            it = Jobs->begin(), ie = Jobs->end(); it != ie; ++it)
       if (int Res = ExecuteJob(**it, FailingCommand))
         return Res;