[ignition] Add bytecodes for loads/stores in the current context

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index d932c1c6ddbdb7327cd95d6a918b0acbcd67f3ec..e6d23521a3f5321a70d85b15bdcac4292a10a8be 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -142,6 +142,9 @@ class Interpreter {
   // Generates code to load a context slot.
   compiler::Node* BuildLoadContextSlot(InterpreterAssembler* assembler);
 
+  // Generates code to load a local context slot.

[Michael Starzinger, 2016/10/27 12:21:26]

nit: s/"local context slot"/"context slot in the current context"/

+  compiler::Node* BuildLoadLocalContextSlot(InterpreterAssembler* assembler);
+
   // Generates code to load a global.
   compiler::Node* BuildLoadGlobal(Callable ic, compiler::Node* context,
                                   compiler::Node* feedback_slot,