[strong] Declaration-after-use errors.

src/variables.h

Index: src/variables.h
diff --git a/src/variables.h b/src/variables.h
index 1adeb1f0f417cc0d8bcdf6a19a2f688f1195e477..4696e0543d30a0d3315495de19ec7fd1ae5d3e62 100644
--- a/src/variables.h
+++ b/src/variables.h
@@ -18,7 +18,7 @@ namespace internal {
 
 class Variable: public ZoneObject {
  public:
-  enum Kind { NORMAL, THIS, NEW_TARGET, ARGUMENTS };
+  enum Kind { NORMAL, FUNCTION, THIS, NEW_TARGET, ARGUMENTS };
 
   enum Location {
     // Before and during variable allocation, a variable whose location is
@@ -98,6 +98,7 @@ class Variable: public ZoneObject {
     return initialization_flag_ == kNeedsInitialization;
   }
 
+  bool is_function() const { return kind_ == FUNCTION; }
   bool is_this() const { return kind_ == THIS; }
   bool is_new_target() const { return kind_ == NEW_TARGET; }
   bool is_arguments() const { return kind_ == ARGUMENTS; }