Subzero: Fix symbol name mangling. Make flags global.

src/IceBrowserCompileServer.h

Index: src/IceBrowserCompileServer.h
diff --git a/src/IceBrowserCompileServer.h b/src/IceBrowserCompileServer.h
index a9e221bcb505fe7f763c2c13c324450e8d0fd789..7a5f42f72de1498874dcd706e0debd226230bc59 100644
--- a/src/IceBrowserCompileServer.h
+++ b/src/IceBrowserCompileServer.h
@@ -42,7 +42,9 @@ class BrowserCompileServer : public CompileServer {
   class StringStream;
 
 public:
-  BrowserCompileServer() : HadError(false) {}
+  BrowserCompileServer()
+      : Flags(&GlobalContext::Flags), ExtraFlags(&GlobalContext::ExtraFlags),
+        HadError(false) {}
 
   ~BrowserCompileServer() final;
 
@@ -102,8 +104,8 @@ private:
   std::unique_ptr<llvm::raw_fd_ostream> EmitStream;
   std::unique_ptr<StringStream> ErrorStream;
   std::unique_ptr<ELFStreamer> ELFStream;
-  ClFlags Flags;
-  ClFlagsExtra ExtraFlags;
+  ClFlags *Flags;
+  ClFlagsExtra *ExtraFlags;
   std::thread CompileThread;
   std::atomic<bool> HadError;
 };