[tor-commits] [torbutton/maint-2.1] Bug 31616: Fix JIT related crashes on aarch64

[gk@xxxxxxxxxxxxxx]

commit 7d292d774a3605673c912b2d3a248b95c6fabcb1
Author: Georg Koppen <gk@xxxxxxxxxxxxxx>
Date:   Sat Sep 7 20:19:56 2019 +0000

    Bug 31616: Fix JIT related crashes on aarch64
    
    Patch by sysrqb.
---
 src/modules/security-prefs.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/modules/security-prefs.js b/src/modules/security-prefs.js
index fb465a05..a0a4ad4d 100644
--- a/src/modules/security-prefs.js
+++ b/src/modules/security-prefs.js
@@ -47,9 +47,11 @@ const kCustomPref = "extensions.torbutton.security_custom";
 var write_setting_to_prefs = function (settingIndex) {
   Object.keys(kSecuritySettings).forEach(
     prefName => {
-      // Bug 31140 - Do not enable IonMonkey on AARCH64.
+      // Bug 31140 and 31616 - Do not enable JIT on aarch64.
       if (XPCOMABI.split("-")[0] == "aarch64" &&
-          prefName == "javascript.options.ion") {
+          (prefName == "javascript.options.ion" ||
+           prefName == "javascript.options.baselinejit" ||
+           prefName == "javascript.options.native_regexp")) {
         setBoolPref(prefName, false);
         return;
       }

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