From 40a355a42d4a9444dc753c04c6608dade2f06a23 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:13:27 +0200
Subject: Adding upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/src/jit-test/tests/basic/bug-1198090.js         |  2 +-
 js/src/jit-test/tests/basic/bug-1271507.js         |  2 +-
 js/src/jit-test/tests/basic/bug-1665583.js         |  2 --
 js/src/jit-test/tests/basic/bug1207863.js          |  2 +-
 js/src/jit-test/tests/basic/bug1219128-1.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-2.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-3.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-4.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-5.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-6.js        |  2 --
 js/src/jit-test/tests/basic/bug1219128-7.js        |  2 +-
 js/src/jit-test/tests/basic/bug1219128-8.js        |  2 --
 js/src/jit-test/tests/basic/bug1234414.js          |  2 --
 js/src/jit-test/tests/basic/bug1240502.js          |  1 -
 js/src/jit-test/tests/basic/bug1263868.js          |  1 -
 js/src/jit-test/tests/basic/bug1264954.js          |  1 -
 js/src/jit-test/tests/basic/bug1265693.js          |  1 -
 js/src/jit-test/tests/basic/bug1278839.js          |  1 -
 js/src/jit-test/tests/basic/bug1296249.js          |  2 +-
 js/src/jit-test/tests/basic/bug1300904.js          |  1 -
 js/src/jit-test/tests/basic/bug1316557.js          |  1 +
 js/src/jit-test/tests/basic/bug1344265.js          |  2 +-
 js/src/jit-test/tests/basic/bug1348407.js          |  1 -
 js/src/jit-test/tests/basic/bug1411294.js          |  1 -
 js/src/jit-test/tests/basic/bug1447996.js          |  2 --
 js/src/jit-test/tests/basic/bug1459258.js          |  1 -
 js/src/jit-test/tests/basic/bug1493627.js          |  1 -
 js/src/jit-test/tests/basic/bug1516406.js          |  1 -
 js/src/jit-test/tests/basic/bug1532265.js          |  2 +-
 js/src/jit-test/tests/basic/bug1548759-1.js        |  1 -
 js/src/jit-test/tests/basic/bug1548759-2.js        |  1 -
 js/src/jit-test/tests/basic/bug1574725.js          |  2 +-
 js/src/jit-test/tests/basic/bug1644839-2.js        |  1 -
 js/src/jit-test/tests/basic/bug1644839.js          |  1 -
 js/src/jit-test/tests/basic/bug1666856.js          |  2 --
 js/src/jit-test/tests/basic/bug1877586.js          |  2 +-
 js/src/jit-test/tests/basic/bug1883828.js          |  5 ++++
 js/src/jit-test/tests/basic/bug1884706.js          |  5 ++++
 js/src/jit-test/tests/basic/date-getLocale-oom.js  |  2 --
 .../tests/basic/date-late-weekday-warning.js       | 34 ----------------------
 .../tests/basic/dictionary-add-prop-oom.js         |  1 -
 js/src/jit-test/tests/basic/dumpValue.js           |  4 +--
 js/src/jit-test/tests/basic/inflate-oom.js         |  1 -
 .../basic/property-error-message-fix-disabled.js   |  2 +-
 .../tests/basic/property-error-message-fix.js      |  2 +-
 ...g-substring-latin1rope-with-twobyte-children.js | 12 ++++++++
 js/src/jit-test/tests/basic/testBug756919.js       |  1 -
 js/src/jit-test/tests/basic/testDetach.js          | 23 +++++++++++++++
 .../jit-test/tests/basic/testNativeArgsRooting.js  |  1 -
 js/src/jit-test/tests/basic/testNeutering.js       | 23 ---------------
 50 files changed, 58 insertions(+), 114 deletions(-)
 create mode 100644 js/src/jit-test/tests/basic/bug1316557.js
 create mode 100644 js/src/jit-test/tests/basic/bug1883828.js
 create mode 100644 js/src/jit-test/tests/basic/bug1884706.js
 delete mode 100644 js/src/jit-test/tests/basic/date-late-weekday-warning.js
 create mode 100644 js/src/jit-test/tests/basic/string-substring-latin1rope-with-twobyte-children.js
 create mode 100644 js/src/jit-test/tests/basic/testDetach.js
 delete mode 100644 js/src/jit-test/tests/basic/testNeutering.js

(limited to 'js/src/jit-test/tests/basic')

diff --git a/js/src/jit-test/tests/basic/bug-1198090.js b/js/src/jit-test/tests/basic/bug-1198090.js
index 2ee6b5a2ed..d6445639cd 100644
--- a/js/src/jit-test/tests/basic/bug-1198090.js
+++ b/js/src/jit-test/tests/basic/bug-1198090.js
@@ -1,4 +1,4 @@
-// |jit-test| allow-oom; skip-if: !('oomAtAllocation' in this)
+// |jit-test| allow-oom
 
 for (let a of [
         null, function() {}, function() {}, null, function() {}, function() {},
diff --git a/js/src/jit-test/tests/basic/bug-1271507.js b/js/src/jit-test/tests/basic/bug-1271507.js
index 88097aca8d..e053da62e9 100644
--- a/js/src/jit-test/tests/basic/bug-1271507.js
+++ b/js/src/jit-test/tests/basic/bug-1271507.js
@@ -1,4 +1,4 @@
-// |jit-test| allow-oom; skip-if: typeof oomAfterAllocations !== 'function'
+// |jit-test| allow-oom; skip-if: !hasFunction.oomAfterAllocations
 lfcode = new Array();
 oomAfterAllocations(100);
 loadFile(file);
diff --git a/js/src/jit-test/tests/basic/bug-1665583.js b/js/src/jit-test/tests/basic/bug-1665583.js
index 012dc1d043..d7350053ef 100644
--- a/js/src/jit-test/tests/basic/bug-1665583.js
+++ b/js/src/jit-test/tests/basic/bug-1665583.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 function parseModule(source) {
   offThreadCompileModuleToStencil(source);
   var stencil = finishOffThreadStencil();
diff --git a/js/src/jit-test/tests/basic/bug1207863.js b/js/src/jit-test/tests/basic/bug1207863.js
index ef079a3c29..e452694e99 100644
--- a/js/src/jit-test/tests/basic/bug1207863.js
+++ b/js/src/jit-test/tests/basic/bug1207863.js
@@ -1,4 +1,4 @@
-// |jit-test| allow-oom; allow-unhandlable-oom; skip-if: !("oomAtAllocation" in this && "resetOOMFailure" in this)
+// |jit-test| allow-oom; allow-unhandlable-oom
 
 function oomTest(f) {
     var i = 1;
diff --git a/js/src/jit-test/tests/basic/bug1219128-1.js b/js/src/jit-test/tests/basic/bug1219128-1.js
index 7a81d73f0a..4724059bca 100644
--- a/js/src/jit-test/tests/basic/bug1219128-1.js
+++ b/js/src/jit-test/tests/basic/bug1219128-1.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 evaluate(`
   x = evalcx("lazy");
   oomTest(function () {
diff --git a/js/src/jit-test/tests/basic/bug1219128-2.js b/js/src/jit-test/tests/basic/bug1219128-2.js
index 7208fc3260..1a17f5abeb 100644
--- a/js/src/jit-test/tests/basic/bug1219128-2.js
+++ b/js/src/jit-test/tests/basic/bug1219128-2.js
@@ -1,4 +1,2 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 a = evalcx("lazy")
 oomTest(() => a.toString)
diff --git a/js/src/jit-test/tests/basic/bug1219128-3.js b/js/src/jit-test/tests/basic/bug1219128-3.js
index feca3eb55c..854be23213 100644
--- a/js/src/jit-test/tests/basic/bug1219128-3.js
+++ b/js/src/jit-test/tests/basic/bug1219128-3.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 x = evalcx('lazy');
 oomTest(function() {
     x.eval
diff --git a/js/src/jit-test/tests/basic/bug1219128-4.js b/js/src/jit-test/tests/basic/bug1219128-4.js
index 41f8b9757a..6329b3f198 100644
--- a/js/src/jit-test/tests/basic/bug1219128-4.js
+++ b/js/src/jit-test/tests/basic/bug1219128-4.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 x = evalcx("lazy");
 oomTest((function() {
     evalcx("({", x);
diff --git a/js/src/jit-test/tests/basic/bug1219128-5.js b/js/src/jit-test/tests/basic/bug1219128-5.js
index 30dc56e5ce..9ce2c7ab5c 100644
--- a/js/src/jit-test/tests/basic/bug1219128-5.js
+++ b/js/src/jit-test/tests/basic/bug1219128-5.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 x = evalcx("lazy");
 oomTest(function() {
     x.of(new(delete y));
diff --git a/js/src/jit-test/tests/basic/bug1219128-6.js b/js/src/jit-test/tests/basic/bug1219128-6.js
index cb9f4c7170..bd02653202 100644
--- a/js/src/jit-test/tests/basic/bug1219128-6.js
+++ b/js/src/jit-test/tests/basic/bug1219128-6.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 a = evalcx("lazy")
 oomTest(function() {
     a.b
diff --git a/js/src/jit-test/tests/basic/bug1219128-7.js b/js/src/jit-test/tests/basic/bug1219128-7.js
index 87ec092f87..e5f660cc77 100644
--- a/js/src/jit-test/tests/basic/bug1219128-7.js
+++ b/js/src/jit-test/tests/basic/bug1219128-7.js
@@ -1,4 +1,4 @@
-// |jit-test| slow; skip-if: !('oomTest' in this)
+// |jit-test| slow
 
 function main() {
   const v1 = this.newGlobal();
diff --git a/js/src/jit-test/tests/basic/bug1219128-8.js b/js/src/jit-test/tests/basic/bug1219128-8.js
index a957b879dc..d8852b423f 100644
--- a/js/src/jit-test/tests/basic/bug1219128-8.js
+++ b/js/src/jit-test/tests/basic/bug1219128-8.js
@@ -1,4 +1,2 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 a = evalcx('lazy')
 oomTest(() => a < 0)
diff --git a/js/src/jit-test/tests/basic/bug1234414.js b/js/src/jit-test/tests/basic/bug1234414.js
index 2aeda2c897..5f8af8e0b6 100644
--- a/js/src/jit-test/tests/basic/bug1234414.js
+++ b/js/src/jit-test/tests/basic/bug1234414.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 oomTest(() => {
     var max = 400;
     function f(b) {
diff --git a/js/src/jit-test/tests/basic/bug1240502.js b/js/src/jit-test/tests/basic/bug1240502.js
index 08d6619460..5baed067dc 100644
--- a/js/src/jit-test/tests/basic/bug1240502.js
+++ b/js/src/jit-test/tests/basic/bug1240502.js
@@ -1,2 +1 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(() => eval(`Array(..."ABC")`));
diff --git a/js/src/jit-test/tests/basic/bug1263868.js b/js/src/jit-test/tests/basic/bug1263868.js
index ba678d71d5..6375cfdd65 100644
--- a/js/src/jit-test/tests/basic/bug1263868.js
+++ b/js/src/jit-test/tests/basic/bug1263868.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 function g(f, params) {
     entryPoints(params);
 }
diff --git a/js/src/jit-test/tests/basic/bug1264954.js b/js/src/jit-test/tests/basic/bug1264954.js
index e9d6422798..ca1a8fb179 100644
--- a/js/src/jit-test/tests/basic/bug1264954.js
+++ b/js/src/jit-test/tests/basic/bug1264954.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 function f(x) {
     oomTest(() => eval(x));
 }
diff --git a/js/src/jit-test/tests/basic/bug1265693.js b/js/src/jit-test/tests/basic/bug1265693.js
index 9922999d1b..d25713cf97 100644
--- a/js/src/jit-test/tests/basic/bug1265693.js
+++ b/js/src/jit-test/tests/basic/bug1265693.js
@@ -1,2 +1 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(Function("Function.hasOwnProperty(1.1)"));
diff --git a/js/src/jit-test/tests/basic/bug1278839.js b/js/src/jit-test/tests/basic/bug1278839.js
index 3756e95d68..cff252cc7a 100644
--- a/js/src/jit-test/tests/basic/bug1278839.js
+++ b/js/src/jit-test/tests/basic/bug1278839.js
@@ -1,3 +1,2 @@
-// |jit-test| skip-if: !('oomTest' in this)
 for (var i=0; i<2; i++)
     oomTest(() => eval("setJitCompilerOption(eval + Function, 0);"));
diff --git a/js/src/jit-test/tests/basic/bug1296249.js b/js/src/jit-test/tests/basic/bug1296249.js
index 7c8b7c5df4..c5fb49bdbe 100644
--- a/js/src/jit-test/tests/basic/bug1296249.js
+++ b/js/src/jit-test/tests/basic/bug1296249.js
@@ -1,4 +1,4 @@
-// |jit-test| slow; skip-if: !('oomTest' in this)
+// |jit-test| slow
 function f(x) {
     new Int32Array(x);
 }
diff --git a/js/src/jit-test/tests/basic/bug1300904.js b/js/src/jit-test/tests/basic/bug1300904.js
index 2274129366..15e62ad818 100644
--- a/js/src/jit-test/tests/basic/bug1300904.js
+++ b/js/src/jit-test/tests/basic/bug1300904.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 Object.getOwnPropertyNames(this);
 oomTest(function() {
     this[0] = null;
diff --git a/js/src/jit-test/tests/basic/bug1316557.js b/js/src/jit-test/tests/basic/bug1316557.js
new file mode 100644
index 0000000000..73edb23893
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1316557.js
@@ -0,0 +1 @@
+assertEq(Math.pow(-999, -999), -0);
diff --git a/js/src/jit-test/tests/basic/bug1344265.js b/js/src/jit-test/tests/basic/bug1344265.js
index 2ffc2f7e5c..da5a882e14 100644
--- a/js/src/jit-test/tests/basic/bug1344265.js
+++ b/js/src/jit-test/tests/basic/bug1344265.js
@@ -1,3 +1,3 @@
-// |jit-test| allow-unhandlable-oom; allow-oom; skip-if: !('oomAfterAllocations' in this)
+// |jit-test| allow-unhandlable-oom; allow-oom
 oomAfterAllocations(1);
 newString("a", {external: true});
diff --git a/js/src/jit-test/tests/basic/bug1348407.js b/js/src/jit-test/tests/basic/bug1348407.js
index 133a49018c..51371fefcd 100644
--- a/js/src/jit-test/tests/basic/bug1348407.js
+++ b/js/src/jit-test/tests/basic/bug1348407.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 x = evalcx("lazy");
 oomTest(function () {
     x.eval("1");
diff --git a/js/src/jit-test/tests/basic/bug1411294.js b/js/src/jit-test/tests/basic/bug1411294.js
index 327c808bcf..2c748768bc 100644
--- a/js/src/jit-test/tests/basic/bug1411294.js
+++ b/js/src/jit-test/tests/basic/bug1411294.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(function() {
   eval(`var clonebuffer = serialize("abc");
   clonebuffer.clonebuffer = "\
diff --git a/js/src/jit-test/tests/basic/bug1447996.js b/js/src/jit-test/tests/basic/bug1447996.js
index ec7cc5a25a..82c152ac15 100644
--- a/js/src/jit-test/tests/basic/bug1447996.js
+++ b/js/src/jit-test/tests/basic/bug1447996.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('stackTest' in this)
-
 var x = 0;
 function f() {
     var s = "abcdef(((((((a|b)a|b)a|b)a|b)a|b)a|b)a|b)" + x;
diff --git a/js/src/jit-test/tests/basic/bug1459258.js b/js/src/jit-test/tests/basic/bug1459258.js
index d29231a34a..b68ad115a0 100644
--- a/js/src/jit-test/tests/basic/bug1459258.js
+++ b/js/src/jit-test/tests/basic/bug1459258.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(function() {
     return [0, Math.PI, NaN, Infinity, true, false, Symbol(), Math.tan,
             Reflect, Proxy, print, assertEq, Array, String, Boolean, Number, parseInt,
diff --git a/js/src/jit-test/tests/basic/bug1493627.js b/js/src/jit-test/tests/basic/bug1493627.js
index ee0525128c..b8952313ff 100644
--- a/js/src/jit-test/tests/basic/bug1493627.js
+++ b/js/src/jit-test/tests/basic/bug1493627.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('stackTest' in this)
 stackTest(function() {
     eval(`var g = newGlobal(); recomputeWrappers(this, g);`);
 });
diff --git a/js/src/jit-test/tests/basic/bug1516406.js b/js/src/jit-test/tests/basic/bug1516406.js
index 9a513fc1a2..dbee2feacb 100644
--- a/js/src/jit-test/tests/basic/bug1516406.js
+++ b/js/src/jit-test/tests/basic/bug1516406.js
@@ -1,2 +1 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(() => dumpScopeChain(eval(`b => 1`)));
diff --git a/js/src/jit-test/tests/basic/bug1532265.js b/js/src/jit-test/tests/basic/bug1532265.js
index 500b6e4a64..bf8416b78d 100644
--- a/js/src/jit-test/tests/basic/bug1532265.js
+++ b/js/src/jit-test/tests/basic/bug1532265.js
@@ -1,4 +1,4 @@
-// |jit-test| allow-oom; skip-if: !('oomTest' in this)
+// |jit-test| allow-oom
 
 ignoreUnhandledRejections();
 
diff --git a/js/src/jit-test/tests/basic/bug1548759-1.js b/js/src/jit-test/tests/basic/bug1548759-1.js
index 6e6f795cad..cac4953f06 100644
--- a/js/src/jit-test/tests/basic/bug1548759-1.js
+++ b/js/src/jit-test/tests/basic/bug1548759-1.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 (function() {
     oomTest(async function() {
         x;
diff --git a/js/src/jit-test/tests/basic/bug1548759-2.js b/js/src/jit-test/tests/basic/bug1548759-2.js
index 5e0eef54cc..6fad23f92b 100644
--- a/js/src/jit-test/tests/basic/bug1548759-2.js
+++ b/js/src/jit-test/tests/basic/bug1548759-2.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 oomTest(function() {
     return {
         x: async function() {
diff --git a/js/src/jit-test/tests/basic/bug1574725.js b/js/src/jit-test/tests/basic/bug1574725.js
index f7ccb27d92..03cdf897aa 100644
--- a/js/src/jit-test/tests/basic/bug1574725.js
+++ b/js/src/jit-test/tests/basic/bug1574725.js
@@ -1,4 +1,4 @@
-// |jit-test| skip-if: !('oomTest' in this) || helperThreadCount() === 0
+// |jit-test| skip-if: helperThreadCount() === 0
 for (let i = 0; i < 15; ++i) {
     evalInWorker("for (var i = 0; i < 100; i++) {}");
 }
diff --git a/js/src/jit-test/tests/basic/bug1644839-2.js b/js/src/jit-test/tests/basic/bug1644839-2.js
index cf0f7d8981..5c2e06258d 100644
--- a/js/src/jit-test/tests/basic/bug1644839-2.js
+++ b/js/src/jit-test/tests/basic/bug1644839-2.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 var code = `
   (\`\${key}: \${(args[1]?.toString)?.()}\`)
 `;
diff --git a/js/src/jit-test/tests/basic/bug1644839.js b/js/src/jit-test/tests/basic/bug1644839.js
index b83b662358..44fdee1ddf 100644
--- a/js/src/jit-test/tests/basic/bug1644839.js
+++ b/js/src/jit-test/tests/basic/bug1644839.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 var code = `
   (\`\${key}: \${args[1]?.toString()}\`)
 `;
diff --git a/js/src/jit-test/tests/basic/bug1666856.js b/js/src/jit-test/tests/basic/bug1666856.js
index ea6e6942d2..50d8505eb6 100644
--- a/js/src/jit-test/tests/basic/bug1666856.js
+++ b/js/src/jit-test/tests/basic/bug1666856.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !this.oomTest
-
 let i = 10000;
 oomTest(() => {
   let arr = [];
diff --git a/js/src/jit-test/tests/basic/bug1877586.js b/js/src/jit-test/tests/basic/bug1877586.js
index d6ff5b1ae3..9d64f110af 100644
--- a/js/src/jit-test/tests/basic/bug1877586.js
+++ b/js/src/jit-test/tests/basic/bug1877586.js
@@ -1,4 +1,4 @@
-// |jit-test| skip-if: !('oomAtAllocation' in this); allow-oom
+// |jit-test| allow-oom
 try {
     for (let i = 0; i < 5; i++) {
         WebAssembly.instantiateStreaming(
diff --git a/js/src/jit-test/tests/basic/bug1883828.js b/js/src/jit-test/tests/basic/bug1883828.js
new file mode 100644
index 0000000000..3c63a00d2b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1883828.js
@@ -0,0 +1,5 @@
+const arr = [];
+arr[Symbol.toPrimitive] = quit;
+const stack = {stack: saveStack(), cause: arr};
+const bound = bindToAsyncStack(function() {}, stack);
+bound();
diff --git a/js/src/jit-test/tests/basic/bug1884706.js b/js/src/jit-test/tests/basic/bug1884706.js
new file mode 100644
index 0000000000..9bf7c1b52d
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1884706.js
@@ -0,0 +1,5 @@
+const arr = new Int32Array(1 << 26);
+try {
+  for (const key in arr) {
+  }
+} catch {}
diff --git a/js/src/jit-test/tests/basic/date-getLocale-oom.js b/js/src/jit-test/tests/basic/date-getLocale-oom.js
index 7c0b1a7190..dc6371a35b 100644
--- a/js/src/jit-test/tests/basic/date-getLocale-oom.js
+++ b/js/src/jit-test/tests/basic/date-getLocale-oom.js
@@ -1,5 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
-
 oomTest(function () {
   new Date(NaN).toString();
 }, {keepFailing: true});
diff --git a/js/src/jit-test/tests/basic/date-late-weekday-warning.js b/js/src/jit-test/tests/basic/date-late-weekday-warning.js
deleted file mode 100644
index ca6730e56c..0000000000
--- a/js/src/jit-test/tests/basic/date-late-weekday-warning.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * Test deprecation warning for late weekday in Date.parse
- */
-
-function testWarn(date) {
-  const g = newGlobal();
-  g.eval(`Date.parse("${date}")`);
-  const warning = getLastWarning();
-  assertEq(warning !== null, true, `warning should be caught for ${date}`);
-  assertEq(warning.name, "Warning", warning.name);
-
-  clearLastWarning();
-
-  g.eval(`Date.parse("${date}")`);
-  assertEq(getLastWarning(), null, "warning should not be caught for 2nd ocurrence");
-}
-
-function testNoWarn(date) {
-  Date.parse(date);
-  assertEq(getLastWarning(), null, `warning should not be caught for ${date}`);
-}
-
-enableLastWarning();
-
-testWarn("Sep 26 1995 Tues");
-testWarn("Sep 26 Tues 1995");
-testWarn("Sep 26 Tues 1995 Tues");
-testWarn("Sep 26 1995 10:Tues:00");
-
-testNoWarn("Sep 26 1995");
-testNoWarn("Tues Sep 26 1995");
-testNoWarn("Sep Tues 26 1995");
-
-disableLastWarning();
diff --git a/js/src/jit-test/tests/basic/dictionary-add-prop-oom.js b/js/src/jit-test/tests/basic/dictionary-add-prop-oom.js
index e393cfca6b..10e09ed06f 100644
--- a/js/src/jit-test/tests/basic/dictionary-add-prop-oom.js
+++ b/js/src/jit-test/tests/basic/dictionary-add-prop-oom.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 enableShapeConsistencyChecks();
 oomTest(() => {
   var obj = {a: 1, b: 2, c: 3};
diff --git a/js/src/jit-test/tests/basic/dumpValue.js b/js/src/jit-test/tests/basic/dumpValue.js
index 6bf4ffcb8d..b97c9e89d8 100644
--- a/js/src/jit-test/tests/basic/dumpValue.js
+++ b/js/src/jit-test/tests/basic/dumpValue.js
@@ -1,6 +1,4 @@
-// |jit-test| skip-if: typeof dumpValue !== 'function' || getBuildConfiguration("windows")
-
-// FIXME: Fix backslash handling on windows (bug 1880003).
+// |jit-test| skip-if: typeof dumpValue !== 'function'
 
 // Try the dumpValue and dumpValueToString shell functions on various types of
 // values, and make sure theyit don't crash, and the result is valid JSON.
diff --git a/js/src/jit-test/tests/basic/inflate-oom.js b/js/src/jit-test/tests/basic/inflate-oom.js
index 645980789f..52d73d66cb 100644
--- a/js/src/jit-test/tests/basic/inflate-oom.js
+++ b/js/src/jit-test/tests/basic/inflate-oom.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 function test() {
     function foo() {
         return 1;
diff --git a/js/src/jit-test/tests/basic/property-error-message-fix-disabled.js b/js/src/jit-test/tests/basic/property-error-message-fix-disabled.js
index 542bada65f..a011605ed9 100644
--- a/js/src/jit-test/tests/basic/property-error-message-fix-disabled.js
+++ b/js/src/jit-test/tests/basic/property-error-message-fix-disabled.js
@@ -1,4 +1,4 @@
-// |jit-test| --disable-property-error-message-fix; skip-if: getBuildConfiguration('pbl')
+// |jit-test| --setpref=property_error_message_fix=false; skip-if: getBuildConfiguration('pbl')
 
 function check(f, message) {
   let caught = false;
diff --git a/js/src/jit-test/tests/basic/property-error-message-fix.js b/js/src/jit-test/tests/basic/property-error-message-fix.js
index 6f27416496..32fe8a7408 100644
--- a/js/src/jit-test/tests/basic/property-error-message-fix.js
+++ b/js/src/jit-test/tests/basic/property-error-message-fix.js
@@ -1,4 +1,4 @@
-// |jit-test| skip-if: getBuildConfiguration('pbl')
+// |jit-test| --setpref=property_error_message_fix=true; skip-if: getBuildConfiguration('pbl')
 
 function check(f, message) {
   let caught = false;
diff --git a/js/src/jit-test/tests/basic/string-substring-latin1rope-with-twobyte-children.js b/js/src/jit-test/tests/basic/string-substring-latin1rope-with-twobyte-children.js
new file mode 100644
index 0000000000..3a1d889073
--- /dev/null
+++ b/js/src/jit-test/tests/basic/string-substring-latin1rope-with-twobyte-children.js
@@ -0,0 +1,12 @@
+let right = newRope("b", "012345678901234567890123456789");
+let latin1Rope = newRope("a", right);
+let twoByteRope = newRope("\u221e", right);
+
+// Flattening |twoByteRope| changes |right| from a Latin-1 rope into a two-byte
+// dependent string. At this point, |latin1Rope| has the Latin-1 flag set, but
+// also has a two-byte rope child.
+ensureLinearString(twoByteRope);
+
+let result = latin1Rope.substring(0, 3);
+
+assertEq(result, "ab0");
diff --git a/js/src/jit-test/tests/basic/testBug756919.js b/js/src/jit-test/tests/basic/testBug756919.js
index a72f46bece..9bb0d9a2cc 100644
--- a/js/src/jit-test/tests/basic/testBug756919.js
+++ b/js/src/jit-test/tests/basic/testBug756919.js
@@ -1,4 +1,3 @@
-// |jit-test| skip-if: !('oomTest' in this)
 function test(x) {
     var upvar = "";
     function f() { upvar += ""; }
diff --git a/js/src/jit-test/tests/basic/testDetach.js b/js/src/jit-test/tests/basic/testDetach.js
new file mode 100644
index 0000000000..fc49e3f99e
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testDetach.js
@@ -0,0 +1,23 @@
+var ab = new ArrayBuffer(4);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);
+
+var ab = new ArrayBuffer(12);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);
+
+var ab = new ArrayBuffer(4096);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);
diff --git a/js/src/jit-test/tests/basic/testNativeArgsRooting.js b/js/src/jit-test/tests/basic/testNativeArgsRooting.js
index 1ce8259f2d..5e3e8f5f12 100644
--- a/js/src/jit-test/tests/basic/testNativeArgsRooting.js
+++ b/js/src/jit-test/tests/basic/testNativeArgsRooting.js
@@ -1,4 +1,3 @@
-if ('gczeal' in this)
 (function () {
    (eval("\
        (function () {\
diff --git a/js/src/jit-test/tests/basic/testNeutering.js b/js/src/jit-test/tests/basic/testNeutering.js
deleted file mode 100644
index fc49e3f99e..0000000000
--- a/js/src/jit-test/tests/basic/testNeutering.js
+++ /dev/null
@@ -1,23 +0,0 @@
-var ab = new ArrayBuffer(4);
-var i32 = new Int32Array(ab);
-i32[0] = 42;
-detachArrayBuffer(ab);
-assertEq(i32.length, 0);
-assertEq(ab.byteLength, 0);
-assertEq(i32[0], undefined);
-
-var ab = new ArrayBuffer(12);
-var i32 = new Int32Array(ab);
-i32[0] = 42;
-detachArrayBuffer(ab);
-assertEq(i32.length, 0);
-assertEq(ab.byteLength, 0);
-assertEq(i32[0], undefined);
-
-var ab = new ArrayBuffer(4096);
-var i32 = new Int32Array(ab);
-i32[0] = 42;
-detachArrayBuffer(ab);
-assertEq(i32.length, 0);
-assertEq(ab.byteLength, 0);
-assertEq(i32[0], undefined);
-- 
cgit v1.2.3