message: Add anonymous namespace in compiler_functor.cc.
  No functional change.
diff: @@ -72,6 +72,7 @@ Disabling these as a starting point.
  */
  // TODO(b/64227304) Creating a custom pass pipeline will replace this.
  +namespace {
  class FilteredFunctionPassManager : public llvm::legacy::FunctionPassManager {
  public:
  FilteredFunctionPassManager(llvm::Module* m, bool disable_expensive_passes)
  @@ -102,6 +103,7 @@ class FilteredPassManager : public llvm::legacy::PassManager {
  private:
  bool disable_expensive_passes_;
  };
  +} // anonymous namespace
  llvm::object::OwningBinary<llvm::object::ObjectFile> CompilerFunctor::
  operator()(llvm::Module& module) const {
  