1 files changed, 5 insertions, 0 deletions
diff --git a/js/src/vm/TypeInference-inl.h b/js/src/vm/TypeInference-inl.h
index 2af252cea1..da47fa898b 100644
--- a/js/src/vm/TypeInference-inl.h
+++ b/js/src/vm/TypeInference-inl.h
@@ -23,6 +23,7 @@
 #include "vm/SharedArrayObject.h"
 #include "vm/StringObject.h"
 #include "vm/TypedArrayObject.h"
+#include "vm/UnboxedObject.h"
 
 #include "jscntxtinlines.h"
 
@@ -284,6 +285,10 @@ TypeIdString(jsid id)
  */
 struct AutoEnterAnalysis
 {
+    // For use when initializing an UnboxedLayout.  The UniquePtr's destructor
+    // must run when GC is not suppressed.
+    UniquePtr<UnboxedLayout> unboxedLayoutToCleanUp;
+
     // Prevent GC activity in the middle of analysis.
     gc::AutoSuppressGC suppressGC;