Use type feedback for Array (non-constructor) call sites.

src/hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 8730 matching lines @@
             PrintF("\n");
           }
           return;
         }
         if (TryInlineCall(expr)) return;
 
         if (expr->target().is_identical_to(current_info()->closure())) {
           graph()->MarkRecursive();
         }
 
-        call = PreProcessCall(new(zone()) HCallKnownGlobal(expr->target(),
+        if (CallStubCompiler::HasCustomCallGenerator(expr->target())) {
+          // When the target has a custom call IC generator, use the IC,
+          // because it is likely to generate better code.
+          HValue* context = environment()->LookupContext();
+          call = PreProcessCall(
+              new(zone()) HCallNamed(context, var->name(), argument_count));
+        } else {
+          call = PreProcessCall(new(zone()) HCallKnownGlobal(expr->target(),
                                                            argument_count));
+        }
       } else {
         HValue* context = environment()->LookupContext();
         HGlobalObject* receiver = new(zone()) HGlobalObject(context);
         AddInstruction(receiver);
         PushAndAdd(new(zone()) HPushArgument(receiver));
         CHECK_ALIVE(VisitArgumentList(expr->arguments()));
 
         call = new(zone()) HCallGlobal(context, var->name(), argument_count);
         Drop(argument_count);
       }
@@ skipping 2874 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal