Fix crash during parallel moves.

runtime/vm/flow_graph_compiler.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/assembler_macros.h"
@@ skipping 108 matching lines @@
   // Execute a move by emitting a swap of two operands.  The move from
   // source to destination is removed from the move graph.
   void EmitSwap(int index);
 
   // Verify the move list before performing moves.
   void Verify();
 
   FlowGraphCompiler* compiler_;
 
   // List of moves not yet resolved.
-  GrowableArray<MoveOperands> moves_;
+  GrowableArray<MoveOperands*> moves_;
 };
 
 
 class DeoptimizationStub : public ZoneAllocated {
  public:
   DeoptimizationStub(intptr_t deopt_id,
                      intptr_t deopt_token_pos,
                      intptr_t try_index,
                      DeoptReasonId reason)
       : deopt_id_(deopt_id),
@@ skipping 32 matching lines @@
 #include "vm/flow_graph_compiler_ia32.h"
 #elif defined(TARGET_ARCH_X64)
 #include "vm/flow_graph_compiler_x64.h"
 #elif defined(TARGET_ARCH_ARM)
 #include "vm/flow_graph_compiler_arm.h"
 #else
 #error Unknown architecture.
 #endif
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_