1 files changed, 16 insertions, 1 deletions
diff --git a/js/src/vm/RealmFuses.h b/js/src/vm/RealmFuses.h
index 54fa7bc3bf..a14ff73c59 100644
--- a/js/src/vm/RealmFuses.h
+++ b/js/src/vm/RealmFuses.h
@@ -8,6 +8,7 @@
 #define vm_RealmFuses_h
 
 #include "vm/GuardFuse.h"
+#include "vm/InvalidatingFuse.h"
 
 namespace js {
 
@@ -28,7 +29,19 @@ class RealmFuse : public GuardFuse {
   virtual void popFuse(JSContext* cx) override { GuardFuse::popFuse(cx); }
 };
 
-struct OptimizeGetIteratorFuse final : public RealmFuse {
+class InvalidatingRealmFuse : public InvalidatingFuse {
+ public:
+  virtual void popFuse(JSContext* cx, RealmFuses& realmFuses);
+  virtual bool addFuseDependency(JSContext* cx,
+                                 Handle<JSScript*> script) override;
+
+ protected:
+  virtual void popFuse(JSContext* cx) override {
+    InvalidatingFuse::popFuse(cx);
+  }
+};
+
+struct OptimizeGetIteratorFuse final : public InvalidatingRealmFuse {
   virtual const char* name() override { return "OptimizeGetIteratorFuse"; }
   virtual bool checkInvariant(JSContext* cx) override;
 };
@@ -144,6 +157,8 @@ struct RealmFuses {
     MOZ_CRASH("Fuse Not Found");
   }
 
+  DependentScriptGroup fuseDependencies;
+
   static int32_t fuseOffsets[];
   static const char* fuseNames[];