A64: Synchronize with r16489.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index a39810950dc1331571694b3a7beb7f799d893825..1b4332af87acaffd2f9d54b5cc6ec80abf031d88 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1789,13 +1789,6 @@ LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation(
 }
 
 
-LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
-  // The control instruction marking the end of a block that completed
-  // abruptly (e.g., threw an exception).  There is nothing specific to do.
-  return NULL;
-}
-
-
 LInstruction* LChunkBuilder::DoThrow(HThrow* instr) {
   LOperand* value = UseFixed(instr->value(), rax);
   return MarkAsCall(new(zone()) LThrow(value), instr);
@@ -1843,8 +1836,9 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {
       return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value)));
     } else {
       ASSERT(to.IsInteger32());
-      LOperand* value = UseRegister(instr->value());
-      if (instr->value()->type().IsSmi()) {
+      HValue* val = instr->value();
+      LOperand* value = UseRegister(val);
+      if (val->type().IsSmi() || val->representation().IsSmi()) {
         return DefineSameAsFirst(new(zone()) LSmiUntag(value, false));
       } else {
         bool truncating = instr->CanTruncateToInt32();
@@ -1939,9 +1933,9 @@ LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) {
+LInstruction* LChunkBuilder::DoCheckValue(HCheckValue* instr) {
   LOperand* value = UseRegisterAtStart(instr->value());
-  return AssignEnvironment(new(zone()) LCheckFunction(value));
+  return AssignEnvironment(new(zone()) LCheckValue(value));
 }