Align AllocateObjectComp and AllocateObjectWithBoundsCheckComp with ssa allocator.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index a06589eb0c26b42c08c640de1f52feec99f87e16..ff0ec9db75dd35cf2b294a1220df1ed23dab08e2 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -292,9 +292,9 @@ void RelationalOpComp::PrintOperandsTo(BufferFormatter* f) const {
 
 void AllocateObjectComp::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s", Class::Handle(constructor().owner()).ToCString());
-  for (intptr_t i = 0; i < arguments().length(); i++) {
+  for (intptr_t i = 0; i < ArgumentCount(); i++) {
     f->Print(", ");
-    arguments()[i]->PrintTo(f);
+    ArgumentAt(i)->value()->PrintTo(f);
   }
 }
 
@@ -302,9 +302,9 @@ void AllocateObjectComp::PrintOperandsTo(BufferFormatter* f) const {
 void AllocateObjectWithBoundsCheckComp::PrintOperandsTo(
     BufferFormatter* f) const {
   f->Print("%s", Class::Handle(constructor().owner()).ToCString());
-  for (intptr_t i = 0; i < arguments().length(); i++) {
+  for (intptr_t i = 0; i < InputCount(); i++) {
     f->Print(", ");
-    arguments()[i]->PrintTo(f);
+    InputAt(i)->PrintTo(f);
   }
 }