[Interpreter] Add support for loading globals in the interpreter.

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 10f44a677abd1c1df8301a7fe6e7ae2c346cdc76..2d0ffa19a3594f2e40723e79bcb775c87f55c69b 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -249,6 +249,12 @@ void BytecodeGraphBuilder::VisitStar(
 }
 
 
+void BytecodeGraphBuilder::VisitLdaGlobal(
+    const interpreter::BytecodeArrayIterator& iterator) {
+  UNIMPLEMENTED();
+}
+
+
 void BytecodeGraphBuilder::VisitLoadIC(
     const interpreter::BytecodeArrayIterator& iterator) {
   UNIMPLEMENTED();