1 files changed, 4 insertions, 0 deletions
diff --git a/js/src/jit/OptimizationTracking.cpp b/js/src/jit/OptimizationTracking.cpp
index 7d72795a0..b42634d43 100644
--- a/js/src/jit/OptimizationTracking.cpp
+++ b/js/src/jit/OptimizationTracking.cpp
@@ -15,9 +15,11 @@
 #include "jit/JitcodeMap.h"
 #include "jit/JitSpewer.h"
 #include "js/TrackedOptimizationInfo.h"
+#include "vm/UnboxedObject.h"
 
 #include "vm/ObjectGroup-inl.h"
 #include "vm/TypeInference-inl.h"
+#include "vm/UnboxedObject-inl.h"
 
 using namespace js;
 using namespace js::jit;
@@ -844,6 +846,8 @@ MaybeConstructorFromType(TypeSet::Type ty)
         return nullptr;
     ObjectGroup* obj = ty.group();
     TypeNewScript* newScript = obj->newScript();
+    if (!newScript && obj->maybeUnboxedLayout())
+        newScript = obj->unboxedLayout().newScript();
     return newScript ? newScript->function() : nullptr;
 }