Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -76,6 +76,7 @@
 #if LLVM_ON_UNIX
 #include <unistd.h> // getpid
 #endif
+#include <iostream>
 
 using namespace clang::driver;
 using namespace clang;
@@ -2759,7 +2760,7 @@
   if (FinalOutput) {
     unsigned NumOutputs = 0;
     for (const Action *A : C.getActions())
-      if (A->getType() != types::TY_Nothing)
+      if (A->getType() != types::TY_Nothing && A->getType() != types::TY_PCH)
         ++NumOutputs;
 
     if (NumOutputs > 1) {