tor-browser

commit 46fc23ce550d665431bfe76e6fa7301cc2b17a89
parent 52e447e5854d0298d1a9545e1e4941ff2df33beb
Author: Cristina Horotan <chorotan@mozilla.com>
Date:   Sat, 13 Dec 2025 01:22:50 +0200

Revert "Bug 2005449 - Handle failure to unwrap JS microtask r=bthrall" for causing SM failures on dead-job.js DONTBUILD

This reverts commit 78b6d650695f1f3c70b2cc7ea230fb54e33b6bad.

Diffstat:
D
js/src/jit-test/tests/js_microtask/dead-job.js
 | 
23
-----------------------
M
js/src/shell/js.cpp
 | 
8
+-------

2 files changed, 1 insertion(+), 30 deletions(-)
diff --git a/js/src/jit-test/tests/js_microtask/dead-job.js b/js/src/jit-test/tests/js_microtask/dead-job.js
@@ -1,23 +0,0 @@
-function b(global) {
-    var resolve;
-    new Promise(d => resolve = d).then(global.Function)
-    resolve()
-
-    caught = false;
-    try {
-        globalOfFirstJobInQueue()
-    } catch (exception) {
-        caught = true;
-        assertEq(exception.message.includes("dead object"), true);
-    }
-    assertEq(caught, true);
-}
-
-let g1 = newGlobal()
-let g2 = newGlobal({
-    newCompartment: true
-})
-
-nukeAllCCWs()
-
-b(g2)
diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
@@ -1519,13 +1519,7 @@ static bool GlobalOfFirstJobInQueue(JSContext* cx, unsigned argc, Value* vp) {
 
     auto& genericJob = cx->microTaskQueues->microTaskQueue.front();
     JS::JSMicroTask* job = JS::ToUnwrappedJSMicroTask(genericJob);
-    if (!job) {
-      JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
-                                JSMSG_DEAD_OBJECT);
-
-      return false;
-    }
-
+    MOZ_ASSERT(job);
     RootedObject global(cx, JS::GetExecutionGlobalFromJSMicroTask(job));
     if (!global) {
       JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,