[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 870c26d64a448f4b140b83e5deb2fbc9431f2ad7..32acf9f15ca9a249adac1cd0b99926a36c733435 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.