[Interpreter] Add support for new local function context creation.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index 7c157d3b76759ec384f22ad31efd125f7afd3a88..731f5fb04e7c2dfdd4a472aa0e0bc2ec25b0f52a 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -44,7 +44,9 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
   builder.LoadGlobal(1);
   builder.StoreGlobal(1, LanguageMode::SLOPPY);
 
-  // Emit context load operations.
+  // Emit context operations.
+  builder.PushContext(reg);
+  builder.PopContext(reg);
   builder.LoadContextSlot(reg, 1);
 
   // Emit load / store property operations.