Revert of [turbofan] Remove the leftover LoadBuffer hacks.

src/compiler/simplified-lowering.h

Index: src/compiler/simplified-lowering.h
diff --git a/src/compiler/simplified-lowering.h b/src/compiler/simplified-lowering.h
index efb4f22c9206e95be11f2716849af278f27921b3..8b711a96599fd4a0bccaa302b04e3111ab7f8aad 100644
--- a/src/compiler/simplified-lowering.h
+++ b/src/compiler/simplified-lowering.h
@@ -38,6 +38,11 @@
   void DoStoreBuffer(Node* node);
   void DoShift(Node* node, Operator const* op, Type* rhs_type);
 
+  // TODO(bmeurer): This is a gigantic hack to support the gigantic LoadBuffer
+  // typing hack to support the gigantic "asm.js should be fast without proper
+  // verifier"-hack, ... Kill this! Soon! Really soon! I'm serious!
+  bool abort_compilation_ = false;
+
  private:
   JSGraph* const jsgraph_;
   Zone* const zone_;