1 files changed, 3 insertions, 45 deletions

diff --git a/js/src/jit/BaselineInspector.cpp b/js/src/jit/BaselineInspector.cpp
index 9c7b88fb2..3b852debf 100644
--- a/js/src/jit/BaselineInspector.cpp
+++ b/js/src/jit/BaselineInspector.cpp
@@ -104,19 +104,11 @@ AddReceiver(const ReceiverGuard& receiver,
 static bool
 GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* receiver)
 {
-    // We match either:
+    // We match:
     //
     //   GuardIsObject 0
     //   GuardShape 0
     //   LoadFixedSlotResult 0 or LoadDynamicSlotResult 0
-    //
-    // or
-    //
-    //   GuardIsObject 0
-    //   GuardGroup 0
-    //   1: GuardAndLoadUnboxedExpando 0
-    //   GuardShape 1
-    //   LoadFixedSlotResult 1 or LoadDynamicSlotResult 1
 
     *receiver = ReceiverGuard();
     CacheIRReader reader(stub->stubInfo());
@@ -125,14 +117,6 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re
     if (!reader.matchOp(CacheOp::GuardIsObject, objId))
         return false;
 
-    if (reader.matchOp(CacheOp::GuardGroup, objId)) {
-        receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset());
-
-        if (!reader.matchOp(CacheOp::GuardAndLoadUnboxedExpando, objId))
-            return false;
-        objId = reader.objOperandId();
-    }
-
     if (reader.matchOp(CacheOp::GuardShape, objId)) {
         receiver->shape = stub->stubInfo()->getStubField<Shape*>(stub, reader.stubOffset());
         return reader.matchOpEither(CacheOp::LoadFixedSlotResult, CacheOp::LoadDynamicSlotResult);
@@ -141,29 +125,6 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re
     return false;
 }
 
-static bool
-GetCacheIRReceiverForUnboxedProperty(ICCacheIR_Monitored* stub, ReceiverGuard* receiver)
-{
-    // We match:
-    //
-    //   GuardIsObject 0
-    //   GuardGroup 0
-    //   LoadUnboxedPropertyResult 0 ..
-
-    *receiver = ReceiverGuard();
-    CacheIRReader reader(stub->stubInfo());
-
-    ObjOperandId objId = ObjOperandId(0);
-    if (!reader.matchOp(CacheOp::GuardIsObject, objId))
-        return false;
-
-    if (!reader.matchOp(CacheOp::GuardGroup, objId))
-        return false;
-    receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset());
-
-    return reader.matchOp(CacheOp::LoadUnboxedPropertyResult, objId);
-}
-
 bool
 BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receivers)
 {
@@ -182,8 +143,7 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv
     while (stub->next()) {
         ReceiverGuard receiver;
         if (stub->isCacheIR_Monitored()) {
-            if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver) &&
-                !GetCacheIRReceiverForUnboxedProperty(stub->toCacheIR_Monitored(), &receiver))
+            if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver))
             {
                 receivers.clear();
                 return true;
@@ -191,8 +151,6 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv
         } else if (stub->isSetProp_Native()) {
             receiver = ReceiverGuard(stub->toSetProp_Native()->group(),
                                      stub->toSetProp_Native()->shape());
-        } else if (stub->isSetProp_Unboxed()) {
-            receiver = ReceiverGuard(stub->toSetProp_Unboxed()->group(), nullptr);
         } else {
             receivers.clear();
             return true;
@@ -580,7 +538,7 @@ BaselineInspector::getTemplateObjectForNative(jsbytecode* pc, Native native)
 
 bool
 BaselineInspector::isOptimizableCallStringSplit(jsbytecode* pc, JSString** strOut, JSString** sepOut,
-                                                JSObject** objOut)
+                                                ArrayObject** objOut)
 {
     if (!hasBaselineScript())
         return false;