[interpreter] Support for ES6 class literals.

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index a61a1c3fce29dd15dc6f8cbb50786d2302e616ae..2b890440c3d46d8d306dce0caa0db819e9d11553 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -95,6 +95,9 @@ class BytecodeArrayBuilder final : public ZoneObject, private RegisterMover {
   BytecodeArrayBuilder& LoadFalse();
   BytecodeArrayBuilder& LoadBooleanConstant(bool value);
 
+  // Load object prototype (or initial map).
+  BytecodeArrayBuilder& LoadPrototypeOrInitialMap();
+
   // Global loads to the accumulator and stores from the accumulator.
   BytecodeArrayBuilder& LoadGlobal(const Handle<String> name, int feedback_slot,
                                    LanguageMode language_mode,