[Interpreter] Add support for global declarations and load/store of global variables

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 91af8a763f36548180fa54713d3131d832b18aac..b4fd2a6be5a951664eba7e78e3c2173f71e74a90 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -255,6 +255,18 @@ void BytecodeGraphBuilder::VisitLdaGlobal(
 }
 
 
+void BytecodeGraphBuilder::VisitStaGlobal(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  UNIMPLEMENTED();
+}
+
+
+void BytecodeGraphBuilder::VisitLdaContextSlot(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  UNIMPLEMENTED();
+}
+
+
 void BytecodeGraphBuilder::VisitLoadIC(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();