Add missing x64 sequences that load objects from THR.

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/cpu.h"
 #include "vm/constants_x64.h"
 #include "vm/instructions.h"
@@ skipping 30 matching lines @@
   COMPILE_ASSERT(THR == R14);
   if (((bytes[0] == 0x49) && (bytes[1] == 0x8b) && (bytes[2] == 0x86)) ||
       ((bytes[0] == 0x49) && (bytes[1] == 0x8b) && (bytes[2] == 0xb6)) ||
       ((bytes[0] == 0x49) && (bytes[1] == 0x8b) && (bytes[2] == 0x96)) ||
       ((bytes[0] == 0x49) && (bytes[1] == 0x8b) && (bytes[2] == 0x9e)) ||
       ((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0x9e)) ||
       ((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0xa6))) {
     int32_t offset = *reinterpret_cast<int32_t*>(pc + 3);
     return Thread::ObjectAtOffset(offset, obj);
   }
-  if (((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0x5e)) ||
+  if (((bytes[0] == 0x41) && (bytes[1] == 0xff) && (bytes[2] == 0x76)) ||
+      ((bytes[0] == 0x49) && (bytes[1] == 0x3b) && (bytes[2] == 0x66)) ||
+      ((bytes[0] == 0x49) && (bytes[1] == 0x8b) && (bytes[2] == 0x46)) ||
+      ((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0x5e)) ||
+      ((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0x66)) ||
       ((bytes[0] == 0x4d) && (bytes[1] == 0x8b) && (bytes[2] == 0x6e))) {
     uint8_t offset = *reinterpret_cast<uint8_t*>(pc + 3);
     return Thread::ObjectAtOffset(offset, obj);
   }
 
   return false;
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64