[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 897c4ef30ffe44de0b8c1058e5f0c9ce1180ff2d..74d552575dd69b76f43347de5b202f3c61a178f7 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::VisitLoadICSloppy(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();