[stubs] Further optimize Load/StoreGlobalViaContext stubs.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index 0476aed3144084a7d309289bc55fbe261fca618d..746b8409c470871731b564621c1305c157b54f57 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -3330,7 +3330,6 @@ Node* AstGraphBuilder::BuildVariableLoad(Variable* variable,
       int slot_index = -1;
       if (variable->index() > 0) {
         DCHECK(variable->IsStaticGlobalObjectProperty());
-        // Each var occupies two slots in the context: for reads and writes.
         slot_index = variable->index();
         int depth = current_scope()->ContextChainLength(variable->scope());
         if (depth > 0) {
@@ -3481,7 +3480,6 @@ Node* AstGraphBuilder::BuildVariableAssignment(
       int slot_index = -1;
       if (variable->index() > 0) {
         DCHECK(variable->IsStaticGlobalObjectProperty());
-        // Each var occupies two slots in the context: for reads and writes.
         slot_index = variable->index();
         int depth = current_scope()->ContextChainLength(variable->scope());
         if (depth > 0) {