Remove tests for being the normal array constructor from the ArrayConstructCode builtin.

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index 419179274c3a40a8531776c97a9415c43c3df1f9..b545876e21cda738e2ad0bbdf517f144734793c9 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -1280,11 +1280,8 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
   Label generic_constructor;
 
   if (FLAG_debug_code) {
-    // The array construct code is only set for the builtin Array function which
-    // does always have a map.
-    __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, rbx);
-    __ cmpq(rdi, rbx);
-    __ Check(equal, "Unexpected Array function");
+    // The array construct code is only set for the builtin and internal
+    // Array functions which always have a map.
     // Initial map for the builtin Array function should be a map.
     __ movq(rbx, FieldOperand(rdi, JSFunction::kPrototypeOrInitialMapOffset));
     // Will both indicate a NULL and a Smi.