Subzero: Initial implementation of multithreaded translation.

src/PNaClTranslator.cpp

Index: src/PNaClTranslator.cpp
diff --git a/src/PNaClTranslator.cpp b/src/PNaClTranslator.cpp
index 01ba264aed3f53cd3b6df77c6ca8386d24261934..a772e1005249bc7c6d4b6db1332738a40e7d9a7c 100644
--- a/src/PNaClTranslator.cpp
+++ b/src/PNaClTranslator.cpp
@@ -32,8 +32,6 @@
 #include "IceOperand.h"
 #include "PNaClTranslator.h"
 
-#include <memory>
-
 namespace {
 using namespace llvm;
 
@@ -2822,6 +2820,7 @@ private:
 
   void ExitBlock() override {
     InstallGlobalNamesAndGlobalVarInitializers();
+    getTranslator().getContext()->waitForWorkerThreads();
     getTranslator().emitConstants();
   }