When emitting a preprocessed file with implicit module imports, make sure line directives are emitted in the next line.

rdar://13722737

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180718 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp
index 3cef68d..9fd3649 100644
--- a/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -335,6 +335,7 @@
     MoveToLine(HashLoc);
     OS << "@import " << Imported->getFullModuleName() << ";"
        << " /* clang -E: implicit import for \"" << File->getName() << "\" */";
+    EmittedTokensOnThisLine = true;
   }
 }