VM: Don't inline array allocation in precompiled code

runtime/vm/intermediate_language_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"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
+#include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/locations.h"
 #include "vm/object_store.h"
 #include "vm/parser.h"
 #include "vm/stack_frame.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
@@ skipping 2090 matching lines @@
 void CreateArrayInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // Allocate the array.  R10 = length, RBX = element type.
   const Register kLengthReg = R10;
   const Register kElemTypeReg = RBX;
   const Register kResultReg = RAX;
   ASSERT(locs()->in(0).reg() == kElemTypeReg);
   ASSERT(locs()->in(1).reg() == kLengthReg);
 
   Label slow_path, done;
   if (compiler->is_optimizing() &&
+      !Compiler::always_optimize() &&
       num_elements()->BindsToConstant() &&
       num_elements()->BoundConstant().IsSmi()) {
     const intptr_t length = Smi::Cast(num_elements()->BoundConstant()).Value();
     if ((length >= 0) && (length <= Array::kMaxElements)) {
       Label slow_path, done;
       InlineArrayAllocation(compiler, length, &slow_path, &done);
       __ Bind(&slow_path);
       __ PushObject(Object::null_object());  // Make room for the result.
       __ pushq(kLengthReg);
       __ pushq(kElemTypeReg);
@@ skipping 4323 matching lines @@
   __ Drop(1);
   __ popq(result);
 }
 
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64