Finish implementing lazy deoptimization (ia32, x64). Ran tests with --deoptimize-alot.

runtime/vm/instructions_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/instructions.h"
 #include "vm/object.h"
 
@@ skipping 35 matching lines @@
 
 const int* JumpPattern::pattern() const {
   // movq $target, TMP
   // jmpq TMP
   static const int kJumpPattern[kLengthInBytes] =
       {0x49, 0xBB, -1, -1, -1, -1, -1, -1, -1, -1, 0x41, 0xFF, 0xE3};
   return kJumpPattern;
 }
 
 
+void ShortCallPattern::SetTargetAddress(uword target) const {
+  ASSERT(IsValid());
+  *reinterpret_cast<uint32_t*>(start() + 1) = target - start() - kLengthInBytes;
+}
+
+
+const int* ShortCallPattern::pattern() const {
+  static const int kCallPattern[kLengthInBytes] = {0xE8, -1, -1, -1, -1};
+  return kCallPattern;
+}
+
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64