Index: src/x64/lithium-x64.cc |
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc |
index 0945172962b9cceeaf7a1d522b97c20b1d40d222..7f6a297f4592aa3f92c739df724e802136c1188e 100644 |
--- a/src/x64/lithium-x64.cc |
+++ b/src/x64/lithium-x64.cc |
@@ -2287,10 +2287,11 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
needs_write_barrier_for_map) ? TempRegister() : NULL; |
LStoreNamedField* result = new(zone()) LStoreNamedField(obj, val, temp); |
- if ((FLAG_track_fields && instr->field_representation().IsSmi()) || |
- (FLAG_track_heap_object_fields && |
- instr->field_representation().IsHeapObject())) { |
- return AssignEnvironment(result); |
+ if (FLAG_track_heap_object_fields && |
+ instr->field_representation().IsHeapObject()) { |
+ if (!instr->value()->type().IsHeapObject()) { |
+ return AssignEnvironment(result); |
+ } |
} |
return result; |
} |