Imported WebKit commit bb52bf3c0119e8a128cd93afe5572413a8617de9 (http://svn.webkit.org/repository/webkit/trunk@108790)

1 files changed, 10 insertions, 6 deletions

diff --git a/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp b/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
index ec18782d5..f2657b785 100644
--- a/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
+++ b/Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
@@ -27,6 +27,7 @@
 #include "StructureStubInfo.h"
 
 #include "JSObject.h"
+#include "PolymorphicPutByIdList.h"
 #include "ScopeChain.h"
 
 namespace JSC {
@@ -45,6 +46,9 @@ void StructureStubInfo::deref()
         delete polymorphicStructures;
         return;
     }
+    case access_put_by_id_list:
+        delete u.putByIdList.list;
+        return;
     case access_get_by_id_self:
     case access_get_by_id_proto:
     case access_get_by_id_chain:
@@ -82,18 +86,14 @@ bool StructureStubInfo::visitWeakReferences()
         break;
     case access_get_by_id_self_list: {
         PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList;
-        if (!polymorphicStructures->visitWeak(u.getByIdSelfList.listSize)) {
-            delete polymorphicStructures;
+        if (!polymorphicStructures->visitWeak(u.getByIdSelfList.listSize))
             return false;
-        }
         break;
     }
     case access_get_by_id_proto_list: {
         PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList;
-        if (!polymorphicStructures->visitWeak(u.getByIdSelfList.listSize)) {
-            delete polymorphicStructures;
+        if (!polymorphicStructures->visitWeak(u.getByIdSelfList.listSize))
             return false;
-        }
         break;
     }
     case access_put_by_id_transition_normal:
@@ -107,6 +107,10 @@ bool StructureStubInfo::visitWeakReferences()
         if (!Heap::isMarked(u.putByIdReplace.baseObjectStructure.get()))
             return false;
         break;
+    case access_put_by_id_list:
+        if (!u.putByIdList.list->visitWeak())
+            return false;
+        break;
     default:
         // The rest of the instructions don't require references, so there is no need to
         // do anything.