1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jsscript.h b/js/src/jsscript.h
index ffd4b1e2e..690bc225d 100644
--- a/js/src/jsscript.h
+++ b/js/src/jsscript.h
@@ -1012,6 +1012,8 @@ class JSScript : public js::gc::TenuredCell
 
     bool isAsync_:1;
 
+    bool hasRest_:1;
+
     // Add padding so JSScript is gc::Cell aligned. Make padding protected
     // instead of private to suppress -Wunused-private-field compiler warnings.
   protected:
@@ -1308,6 +1310,13 @@ class JSScript : public js::gc::TenuredCell
         isAsync_ = kind == js::AsyncFunction;
     }
 
+    bool hasRest() const {
+        return hasRest_;
+    }
+    void setHasRest() {
+        hasRest_ = true;
+    }
+
     void setNeedsHomeObject() {
         needsHomeObject_ = true;
     }
@@ -1940,6 +1949,7 @@ class LazyScript : public gc::TenuredCell
         uint32_t treatAsRunOnce : 1;
         uint32_t isDerivedClassConstructor : 1;
         uint32_t needsHomeObject : 1;
+        uint32_t hasRest : 1;
     };
 
     union {
@@ -2068,6 +2078,13 @@ class LazyScript : public gc::TenuredCell
         p_.isAsync = kind == AsyncFunction;
     }
 
+    bool hasRest() const {
+        return p_.hasRest;
+    }
+    void setHasRest() {
+        p_.hasRest = true;
+    }
+
     bool strict() const {
         return p_.strict;
     }