Reland "Record the arguments for CreateArrayComp correctly as arguments.".

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2012, 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 "lib/error.h"
@@ skipping 979 matching lines @@
       new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(RBX));
   locs->set_out(Location::RegisterLocation(RAX));
   return locs;
 }
 
 
 void CreateArrayComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   // Allocate the array.  R10 = length, RBX = element type.
   ASSERT(locs()->in(0).reg() == RBX);
-  __ movq(R10, Immediate(Smi::RawValue(ElementCount())));
+  __ movq(R10, Immediate(Smi::RawValue(ArgumentCount())));
   compiler->GenerateCall(token_pos(),
                          try_index(),
                          &StubCode::AllocateArrayLabel(),
                          PcDescriptors::kOther,
                          locs()->stack_bitmap());
   ASSERT(locs()->out().reg() == RAX);
 
   // Pop the element values from the stack into the array.
   __ leaq(R10, FieldAddress(RAX, Array::data_offset()));
-  for (int i = ElementCount() - 1; i >= 0; --i) {
-    ASSERT(ElementAt(i)->IsUse());
+  for (int i = ArgumentCount() - 1; i >= 0; --i) {
+    ASSERT(ArgumentAt(i)->value()->IsUse());
     __ popq(Address(R10, i * kWordSize));
   }
 }
 
 
 LocationSummary*
     AllocateObjectWithBoundsCheckComp::MakeLocationSummary() const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
@@ skipping 1119 matching lines @@
                                  locs()->stack_bitmap());
   __ CompareObject(RAX, compiler->bool_true());
   EmitBranchOnCondition(compiler, branch_condition);
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64