1 files changed, 4 insertions, 1 deletions
diff --git a/js/xpconnect/src/XPCJSContext.cpp b/js/xpconnect/src/XPCJSContext.cpp
index defd1b7852..bedb7c6500 100644
--- a/js/xpconnect/src/XPCJSContext.cpp
+++ b/js/xpconnect/src/XPCJSContext.cpp
@@ -1473,6 +1473,8 @@ ReloadPrefsCallback(const char* pref, void* data)
     sExtraWarningsForSystemJS = Preferences::GetBool(JS_OPTIONS_DOT_STR "strict.debug");
 #endif
 
+    bool arrayProtoValues = Preferences::GetBool(JS_OPTIONS_DOT_STR "array_prototype_values");
+
     JS::ContextOptionsRef(cx).setBaseline(useBaseline)
                              .setIon(useIon)
                              .setAsmJS(useAsmJS)
@@ -1484,7 +1486,8 @@ ReloadPrefsCallback(const char* pref, void* data)
                              .setThrowOnDebuggeeWouldRun(throwOnDebuggeeWouldRun)
                              .setDumpStackOnDebuggeeWouldRun(dumpStackOnDebuggeeWouldRun)
                              .setWerror(werror)
-                             .setExtraWarnings(extraWarnings);
+                             .setExtraWarnings(extraWarnings)
+                             .setArrayProtoValues(arrayProtoValues);
 
     JS_SetParallelParsingEnabled(cx, parallelParsing);
     JS_SetOffthreadIonCompilationEnabled(cx, offthreadIonCompilation);