Make use of ArrayObjects in favor of generic JS objects.

ArrayObjects has been a thing for years but been under-used. About time
they are used where prudent.

1 files changed, 4 insertions, 4 deletions

diff --git a/js/src/jit/BaselineIC.cpp b/js/src/jit/BaselineIC.cpp
index 28e263ac7..2b0822655 100644
--- a/js/src/jit/BaselineIC.cpp
+++ b/js/src/jit/BaselineIC.cpp
@@ -5765,10 +5765,10 @@ static bool
 CopyArray(JSContext* cx, HandleArrayObject arr, MutableHandleValue result)
 {
     uint32_t length = arr->length();
-    JSObject* nobj = NewFullyAllocatedArrayTryReuseGroup(cx, arr, length, TenuredObject);
+    ArrayObject* nobj = NewFullyAllocatedArrayTryReuseGroup(cx, arr, length, TenuredObject);
     if (!nobj)
         return false;
-    EnsureArrayGroupAnalyzed(cx, nobj);
+    EnsureArrayGroupAnalyzed(cx, nobj); //XXX
     CopyBoxedOrUnboxedDenseElements(cx, nobj, arr, 0, 0, length);
 
     result.setObject(*nobj);
@@ -8547,8 +8547,8 @@ static bool DoRestFallback(JSContext* cx, BaselineFrame* frame, ICRest_Fallback*
     unsigned numRest = numActuals > numFormals ? numActuals - numFormals : 0;
     Value* rest = frame->argv() + numFormals;
 
-    JSObject* obj = ObjectGroup::newArrayObject(cx, rest, numRest, GenericObject,
-                                                ObjectGroup::NewArrayKind::UnknownIndex);
+    ArrayObject* obj = ObjectGroup::newArrayObject(cx, rest, numRest, GenericObject,
+                                                   ObjectGroup::NewArrayKind::UnknownIndex);
     if (!obj)
         return false;
     res.setObject(*obj);