[interpreter] Add CreateBlockContext bytecode

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 5927f998f91ffeb66cbcad04e1d09a2ffe2f1e3b..796ceafea1d68008944397f68747e23a6a94beb5 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -926,6 +926,15 @@ void BytecodeGraphBuilder::VisitCreateClosure() {
   environment()->BindAccumulator(closure);
 }
 
+void BytecodeGraphBuilder::VisitCreateBlockContext() {
+  Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(
+      bytecode_iterator().GetConstantForIndexOperand(0));
+
+  const Operator* op = javascript()->CreateBlockContext(scope_info);
+  Node* context = NewNode(op, environment()->LookupAccumulator());
+  environment()->BindAccumulator(context);
+}
+
 void BytecodeGraphBuilder::VisitCreateFunctionContext() {
   uint32_t slots = bytecode_iterator().GetIndexOperand(0);
   const Operator* op = javascript()->CreateFunctionContext(slots);