Support for global var shortcuts in script contexts.

src/variables.cc

Index: src/variables.cc
diff --git a/src/variables.cc b/src/variables.cc
index 49846fee31b8001c2084d9ae1cdc0b9b62aab879..d1785e886a993ddc492dcba4b8797773ca3a0cae 100644
--- a/src/variables.cc
+++ b/src/variables.cc
@@ -58,8 +58,14 @@ Variable::Variable(Scope* scope, const AstRawString* name, VariableMode mode,
 bool Variable::IsGlobalObjectProperty() const {
   // Temporaries are never global, they must always be allocated in the
   // activation frame.
-  return (IsDynamicVariableMode(mode_) ||
-          (IsDeclaredVariableMode(mode_) && !IsLexicalVariableMode(mode_))) &&
+  return IsDynamicVariableMode(mode_) || IsStaticGlobalObjectProperty();
+}
+
+
+bool Variable::IsStaticGlobalObjectProperty() const {
+  // Temporaries are never global, they must always be allocated in the
+  // activation frame.
+  return (IsDeclaredVariableMode(mode_) && !IsLexicalVariableMode(mode_)) &&
          scope_ != NULL && scope_->is_script_scope() && !is_this();
 }