Additional work to get array literal allocation tracking working, even with --always-opt

src/x64/codegen-x64.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 233 matching lines @@
 #endif
 
 #undef __
 
 // -------------------------------------------------------------------------
 // Code generators
 
 #define __ ACCESS_MASM(masm)
 
 void ElementsTransitionGenerator::GenerateMapChangeElementsTransition(
-    MacroAssembler* masm) {
+    MacroAssembler* masm, Label* allocation_site_info_found) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rbx    : target map
   //  -- rcx    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
+  if (FLAG_track_allocation_sites &&
+      allocation_site_info_found != NULL) {
+    masm->TestJSArrayForAllocationSiteInfo(rdx, rdi,
+                                           allocation_site_info_found);
+  }
+
   // Set transitioned map.
   __ movq(FieldOperand(rdx, HeapObject::kMapOffset), rbx);
   __ RecordWriteField(rdx,
                       HeapObject::kMapOffset,
                       rbx,
                       rdi,
                       kDontSaveFPRegs,
                       EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 }
@@ skipping 490 matching lines @@
     CodePatcher patcher(sequence, young_length);
     patcher.masm()->call(stub->instruction_start());
     patcher.masm()->nop();
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64