Revision: 13644
Author: [email protected]
Date: Tue Feb 12 02:56:04 2013
Log: Calculate proper receiver map for monomorphic transitioning ICs.
This fixes a regression caused by
https://chromiumcodereview.appspot.com/11953025/
Review URL: https://chromiumcodereview.appspot.com/12217131
http://code.google.com/p/v8/source/detail?r=13644
Modified:
/branches/bleeding_edge/src/ic.cc
=======================================
--- /branches/bleeding_edge/src/ic.cc Thu Jan 31 08:18:18 2013
+++ /branches/bleeding_edge/src/ic.cc Tue Feb 12 02:56:04 2013
@@ -1544,9 +1544,10 @@
if (ic_state == UNINITIALIZED || ic_state == PREMONOMORPHIC) {
// Optimistically assume that ICs that haven't reached the MONOMORPHIC
state
// yet will do so and stay there.
+ Handle<Map> monomorphic_map = ComputeTransitionedMap(receiver,
stub_kind);
stub_kind = GetNoTransitionStubKind(stub_kind);
return isolate()->stub_cache()->ComputeKeyedStoreElement(
- receiver_map, stub_kind, strict_mode, grow_mode);
+ monomorphic_map, stub_kind, strict_mode, grow_mode);
}
GetReceiverMapsForStub(Handle<Code>(target()), &target_receiver_maps);
@@ -1633,8 +1634,7 @@
FAST_HOLEY_DOUBLE_ELEMENTS);
case STORE_NO_TRANSITION:
case STORE_AND_GROW_NO_TRANSITION:
- UNREACHABLE();
- break;
+ return Handle<Map>(receiver->map());
}
return Handle<Map>::null();
}
--
--
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