Fix StoreIndexedInstr input representation requirements for Int32/Uint32 arrays.

runtime/vm/assembler_ia32.h

 // 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.
 
 #ifndef VM_ASSEMBLER_IA32_H_
 #define VM_ASSEMBLER_IA32_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_ia32.h directly; use assembler.h instead.
 #endif
@@ skipping 679 matching lines @@
 
   void LoadClassById(Register result, Register class_id);
 
   void LoadClass(Register result, Register object, Register scratch);
 
   void CompareClassId(Register object, intptr_t class_id, Register scratch);
 
   void LoadTaggedClassIdMayBeSmi(Register result,
                                  Register object);
 
+  void SmiUntagOrCheckClass(Register object,
+                            intptr_t class_id,
+                            Register scratch,
+                            Label* is_smi);
+
   static Address ElementAddressForIntIndex(bool is_external,
                                            intptr_t cid,
                                            intptr_t index_scale,
                                            Register array,
                                            intptr_t index);
 
   static Address ElementAddressForRegIndex(bool is_external,
                                            intptr_t cid,
                                            intptr_t index_scale,
                                            Register array,
@@ skipping 230 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_IA32_H_