Extend allocation profile testing

runtime/vm/stub_code_x64.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1071 matching lines @@
   // when the object initialization should be done as a loop or as
   // straight line code.
   const int kInlineInstanceSize = 12;  // In words.
   const intptr_t instance_size = cls.instance_size();
   ASSERT(instance_size > 0);
   __ LoadObject(R12, Object::null_object(), PP);
   if (is_cls_parameterized) {
     __ movq(RDX, Address(RSP, kObjectTypeArgumentsOffset));
     // RDX: instantiated type arguments.
   }
-  if (FLAG_inline_alloc && Heap::IsAllocatableInNewSpace(instance_size)) {
+  if (FLAG_inline_alloc && Heap::IsAllocatableInNewSpace(instance_size) &&
+      !cls.trace_allocation()) {
     Label slow_case;
     // Allocate the object and update top to point to
     // next object start and initialize the allocated object.
     // RDX: instantiated type arguments (if is_cls_parameterized).
     Heap* heap = Isolate::Current()->heap();
     Heap::Space space = heap->SpaceForAllocation(cls.id());
     __ movq(RCX, Immediate(heap->TopAddress(space)));
     __ movq(RAX, Address(RCX, 0));
     __ leaq(RBX, Address(RAX, instance_size));
     // Check if the allocation fits into the remaining space.
@@ skipping 1073 matching lines @@
 // Result:
 //  RCX: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, RDI, RBX, RCX);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64