Index: src/arm/lithium-arm.cc |
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc |
index 5b2a5f5ec1048b662522ba584aa637f3f969162a..0ed3ddb8a414f8332dd13400a42810f8a882c4b4 100644 |
--- a/src/arm/lithium-arm.cc |
+++ b/src/arm/lithium-arm.cc |
@@ -429,6 +429,12 @@ void LChunkBuilder::Abort(BailoutReason reason) { |
} |
+void LChunkBuilder::AddDeprecationDependency(Handle<Map> map) { |
+ if (map->is_deprecated()) return Abort(kMapBecameDeprecated); |
+ chunk_->AddDeprecationDependency(map); |
+} |
+ |
+ |
LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
Register::ToAllocationIndex(reg)); |
@@ -2300,6 +2306,11 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
// We need a temporary register for write barrier of the map field. |
LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; |
+ // Add a deprecation dependency on the transition target map. |
+ if (instr->has_transition()) { |
+ AddDeprecationDependency(instr->transition_map()); |
+ } |
+ |
LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp); |
if (!instr->access().IsExternalMemory() && |
instr->field_representation().IsHeapObject() && |