Fix Windows startup crash

[jdm]

Updates mozjs to address crashes around off-thread script compilation.

---

• ./mach build -d does not report any errors
• ./mach test-tidy does not report any errors
• These changes fix Assertion failure: CurrentThreadCanAccessRuntime(cx->runtime()) with testharness.js under --debug-mozjs #29404 and fix When I run the Servo program it automatically exits after a few moments #29214.
• These changes do not require tests because we don't run tests in CI in the affected configurations (Windows and debug-mozjs)

[mukilan]

@bors-servo r+

[bors-servo]

📌 Commit 5a692f5 has been approved by mukilan

[bors-servo]

⌛ Testing commit 5a692f5 with merge 524539f...

[github-actions]

Results from try job (#4278691917):

Flaky unexpected result (18)

• OK /css/CSS2/floats/hit-test-floats-001.html (#23693)
  • PASS [expected FAIL] subtest: hit-test-floats-001
• OK /css/CSS2/linebox/inline-negative-margin-001.html (#23862)
  • FAIL [expected PASS] subtest: [data-expected-height] 1
  • FAIL [expected PASS] subtest: [data-expected-height] 2
  • PASS [expected FAIL] subtest: [data-expected-height] 4
• OK /css/CSS2/normal-flow/block-in-inline-hittest-001.html (#29064)
  • FAIL [expected PASS] subtest: block-in-inline-hittest-001
• OK /css/CSS2/normal-flow/block-in-inline-hittest-002.html (#29057)
  • FAIL [expected PASS] subtest: elementFromPoint
• OK /css/cssom-view/elementFromPoint-ellipsis-in-inline-box.html (#27414)
  • FAIL [expected PASS] subtest: elementFromPoint-ellipsis-in-inline-box
• OK /css/cssom-view/elementFromPoint-float-in-relative.html (#27753)
  • FAIL [expected PASS] subtest: elementFromPoint-float-in-relative
• OK /css/cssom-view/elementFromPoint-list-001.html (#23915)
  • FAIL [expected PASS] subtest: <li>Inside 2</li>
  • FAIL [expected PASS] subtest: <li>Image Inside 1</li>
• OK /css/cssom-view/elementFromPoint-visibility-hidden-resizer.html (#28695)
  • PASS [expected FAIL] subtest: elementFromPoint on resizer area of an element with visibility:hidden
• TIMEOUT [expected OK] /html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html (#29048)
  • TIMEOUT [expected FAIL] subtest: Navigating to a different document with form submission
• OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.html (#29056)
  • FAIL [expected PASS] subtest: Cross-origin navigation started from unload handler must be ignored
• OK /html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.html (#29049)
  • FAIL [expected PASS] subtest: Same-origin navigation started from unload handler must be ignored
• OK /html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html (#28697)
  • PASS [expected FAIL] subtest: aElement.click() before the load event must NOT replace
• OK /html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html (#29046)
  • PASS [expected FAIL] subtest: first argument: absolute url
• OK [expected TIMEOUT] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html (#22154)
  • FAIL [expected NOTRUN] subtest: Check that popups from a sandboxed iframe do not escape the sandbox
• TIMEOUT [expected OK] /html/semantics/links/links-created-by-a-and-area-elements/htmlanchorelement_noopener.html (#23205)
  • NOTRUN [expected FAIL] subtest: Check that rel=noopener with target=_self does a normal load
• OK /html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html (#26243)
  • FAIL [expected PASS] subtest: document.write in an imported module
• TIMEOUT [expected OK] /html/webappapis/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events.html (#26371)
  • TIMEOUT [expected FAIL] subtest: delayed handling: delaying handling rejected promise created from createImageBitmap will cause both events to fire
• OK [expected TIMEOUT] /webmessaging/without-ports/018.html (#24485)
  • PASS [expected TIMEOUT] subtest: origin of the script that invoked the method, javascript:

Stable unexpected results that are known to be intermittent (17)

• OK /css/CSS2/floats/hit-test-floats-005.html (#25804)
  • FAIL [expected PASS] subtest: Miss clipped float
• FAIL [expected TIMEOUT] /css/CSS2/selectors/first-letter-punctuation-087.xht (#28827)
• OK /css/css-flexbox/hittest-anonymous-box.html (#27091)
  • FAIL [expected PASS] subtest: Hit-testing within an anonymous flex-item should return the flexbox as the hittest result.
• OK /css/css-transitions/properties-value-inherit-003.html (#26435)
  • PASS [expected FAIL] subtest: border-top-width length-em(em) / events
  • PASS [expected FAIL] subtest: border-right-width length-em(em) / events
  • PASS [expected FAIL] subtest: border-bottom-width length-em(em) / events
  • PASS [expected FAIL] subtest: border-left-width length-em(em) / events
  • PASS [expected FAIL] subtest: padding-bottom length-em(em) / events
  • PASS [expected FAIL] subtest: padding-left length-em(em) / events
  • PASS [expected FAIL] subtest: padding-right length-em(em) / events
  • PASS [expected FAIL] subtest: padding-top length-em(em) / events
  • PASS [expected FAIL] subtest: margin-bottom length-em(em) / events
  • PASS [expected FAIL] subtest: margin-left length-em(em) / events
  • And 19 more unexpected results...
• TIMEOUT /fetch/metadata/generated/css-images.sub.tentative.html (#29047)
  • PASS [expected TIMEOUT] subtest: background-image sec-fetch-user - Not sent to non-trustworthy same-origin destination
  • TIMEOUT [expected PASS] subtest: background-image sec-fetch-site - HTTPS downgrade (header not sent)
  • FAIL [expected PASS] subtest: border-image sec-fetch-site - HTTPS downgrade (header not sent)
• TIMEOUT [expected ERROR] /html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html (#28541)
• OK /html/browsers/browsing-the-web/navigating-across-documents/javascript-url-return-value-handling-dynamic.html (#28066)
  • FAIL [expected PASS] subtest: D83D DE0D set in href="" targeting a frame and clicked
• OK [expected TIMEOUT] /html/browsers/history/the-history-interface/traverse-during-unload.html (#28688)
  • PASS [expected TIMEOUT] subtest: Traversing the history during unload
• FAIL [expected TIMEOUT] /html/canvas/element/manual/drawing-text-to-the-canvas/canvas.2d.disconnected.html (#29224)
• OK [expected TIMEOUT] /html/interaction/focus/the-autofocus-attribute/update-the-rendering.html (#24145)
  • FAIL [expected TIMEOUT] subtest: "Flush autofocus candidates" should be happen before a scroll event and animation frame callbacks
• OK [expected CRASH] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html (#22647)
• OK [expected TIMEOUT] /html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html (#24066)
  • FAIL [expected NOTRUN] subtest: Check that popups from a sandboxed iframe do not escape the sandbox
• OK [expected ERROR] /html/semantics/scripting-1/the-script-element/defer-script/async-script.html?reload (#29054)
• OK /html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html (#27659)
  • PASS [expected FAIL] subtest: async document.write in a module
• TIMEOUT /html/webappapis/scripting/events/compile-event-handler-settings-objects.html (#24246)
  • FAIL [expected TIMEOUT] subtest: The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document
• OK [expected TIMEOUT] /html/webappapis/scripting/processing-model-2/integration-with-the-javascript-job-queue/promise-job-entry.html (#25805)
  • FAIL [expected TIMEOUT] subtest: Fulfillment handler on pending-then-fulfilled promise
  • FAIL [expected TIMEOUT] subtest: Rejection handler on pending-then-rejected promise
• TIMEOUT [expected CRASH] /webmessaging/broadcastchannel/cross-partition.https.tentative.html (#29058)

[bors-servo]

☀️ Test successful - checks-github
Approved by: mukilan
Pushing 524539f to master...