Reland and fix "Add support for keyed-call on arrays of fast elements"

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 7987a97a51dd8eb221cd39871164ecd289bd28de..0e742f90ffacc5e9da3274a6da3eb28802867799 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1583,7 +1583,7 @@ class HGraphBuilder {
 
     JSArrayBuilder(HGraphBuilder* builder,
                    ElementsKind kind,
-                   HValue* constructor_function);
+                   HValue* constructor_function = NULL);
 
     enum FillMode {
       DONT_FILL_WITH_HOLE,
@@ -1596,6 +1596,7 @@ class HGraphBuilder {
     HValue* AllocateArray(HValue* capacity, HValue* length_field,
                           FillMode fill_mode = FILL_WITH_HOLE);
     HValue* GetElementsLocation() { return elements_location_; }
+    HValue* EmitMapCode();
 
    private:
     Zone* zone() const { return builder_->zone(); }
@@ -1609,7 +1610,6 @@ class HGraphBuilder {
       return JSArray::kPreallocatedArrayElements;
     }
 
-    HValue* EmitMapCode();
     HValue* EmitInternalMapCode();
     HValue* EstablishEmptyArrayAllocationSize();
     HValue* EstablishAllocationSize(HValue* length_node);