Migrate instance of deprecated maps in HCheckMaps.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 4b09a17f775f9718f53933420e2b55ae685936e7..39e0d0933c52bcb0681d0e91380771cdccfda79b 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2024,10 +2024,16 @@ LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) {
 
 LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) {
   LOperand* value = NULL;
-  if (!instr->CanOmitMapChecks()) value = UseRegisterAtStart(instr->value());
-  LInstruction* result = new(zone()) LCheckMaps(value);
-  if (instr->CanOmitMapChecks()) return result;
-  return AssignEnvironment(result);
+  if (!instr->CanOmitMapChecks()) {
+    value = UseRegisterAtStart(instr->value());
+    if (instr->has_migration_target()) info()->MarkAsDeferredCalling();
+  }
+  LCheckMaps* result = new(zone()) LCheckMaps(value);
+  if (!instr->CanOmitMapChecks()) {
+    AssignEnvironment(result);
+    if (instr->has_migration_target()) return AssignPointerMap(result);
+  }
+  return result;
 }