Fri Jul 19 2024 17:34:34 PDT
  • Product: Core
  • Status: RESOLVED, VERIFIED, CLOSED
  • Component: JavaScript Engine
  • Updated: (is greater than or equal to) -6m
  • Resolution: (changed to) FIXED
  • Resolution: (changed after) -6m
259 bugs found.
ID Type Summary Product Comp Assignee▲ Status▲ Resolution Updated
1842773 Implement Resizable and growable ArrayBuffers Core JavaScript Engine andrebargull RESO FIXE 2024-05-24
1878378 Assertion failure: isExceptionPending(), at vm/JSContext.cpp:1136 Core JavaScript Engine andrebargull RESO FIXE 2024-05-30
1891195 Assertion failure: asValue() % sizeof(std::conditional_t<std::is_void_v<std::remove_pointer_t<U>>, char, std::remove_pointer_t<U>>) == 0, at vm/SharedMem.h:84 Core JavaScript Engine andrebargull RESO FIXE 2024-05-30
1904649 Assertion failure: false, at js/src/vm/SelfHosting.cpp:436 Core JavaScript Engine andrebargull RESO FIXE Wed 19:20
1907936 ClampDoubleToUint8 incorrectly rounds towards 0 Core JavaScript Engine andrebargull RESO FIXE Wed 21:55
1885088 Assertion failure: input.options.lineno != 0 (Module cannot be compiled with lineNumber == 0), at frontend/BytecodeCompiler.cpp:1148 Core JavaScript Engine arai.unmht RESO FIXE 2024-03-19
1885475 [loongarch] Failed to dumpValue for floating-point value Core JavaScript Engine arai.unmht RESO FIXE 2024-03-19
1885680 Assertion failure: status == JS::ExceptionStatus::Throwing, at vm/JSContext.cpp:329 Core JavaScript Engine arai.unmht RESO FIXE 2024-03-19
1889042 Simplify promise resolving functions handling Core JavaScript Engine arai.unmht RESO FIXE 2024-04-03
1891412 Assertion failure: isDouble(), at dist/include/js/Value.h:1070 Core JavaScript Engine arai.unmht RESO FIXE 2024-05-30
1899091 Assert no overlapping incremental encoding Core JavaScript Engine arai.unmht RESO FIXE 2024-05-28
1901413 Hit MOZ_CRASH(invalid UTF-8 string: ReportInvalidCharacter) at /root/src/js/src/vm/CharacterEncoding.cpp:322 Core JavaScript Engine arai.unmht RESO FIXE 2024-06-20
1904747 Error is reported by JS_Utf8BufferIsCompilableUnit Core JavaScript Engine arai.unmht RESO FIXE 2024-06-27
1898063 Add --enable-json-parse-with-source to fuzz-flags.txt Core JavaScript Engine bthrall RESO FIXE 2024-05-22
1899045 Implement Bytecode for Function statements and Block statements for explicit resource management Core JavaScript Engine debadree333 RESO FIXE 2024-05-31
1904648 Hit MOZ_CRASH(setFromOverlappingTypedArray with a typed array with bogus type) at js/src/vm/TypedArrayObject-inl.h:759 Core JavaScript Engine dminor RESO FIXE Wed 19:21
1888902 Assertion failure: cyclicModuleFields()->cycleRoot, at builtin/ModuleObject.cpp:1267 Core JavaScript Engine jcoppeard RESO FIXE 2024-04-03
1899113 Assertion failure: threadCount <= sizeof(uint32_t) * 8, at js/src/vm/InternalThreadPool.cpp:135 Core JavaScript Engine jcoppeard RESO FIXE 2024-05-28
1875363 MOZ_CRASH involving disnative Core JavaScript Engine jdemooij RESO FIXE 2024-04-09
1883828 Assertion failure: cx->isExceptionPending(), at shell/js.cpp:1535 Core JavaScript Engine jdemooij RESO FIXE 2024-03-12
1888744 Assertion failure: !jitIter.done(), at vm/GeckoProfiler.cpp:62 Core JavaScript Engine jdemooij RESO FIXE 2024-04-05
1899160 Make it possible to allocate JSStrings with a refcounted StringBuffer in the shell Core JavaScript Engine jdemooij RESO FIXE 2024-06-24
1901410 Assertion failure: prop.isNativeProperty() && prop.propertyInfo().isDataProperty() && prop.propertyInfo().writable(), at /root/src/js/src/jit/VMFunctions.cpp:2058 Core JavaScript Engine jdemooij RESO FIXE 2024-06-20
1904328 Share string buffer when passing JS strings between zones Core JavaScript Engine jdemooij RESO FIXE 2024-07-10
1877312 Support EmulatesUndefined fuse checking in fuzzing builds as well as debug. Core JavaScript Engine mgaudet RESO FIXE 2024-02-01
1892699 Firefox 125.0.1 (64-bit) "Arguments" array-like object have zero-length in generator function Core JavaScript Engine mgaudet RESO FIXE 2024-04-27
1882789 Register LoadedScript against the Memory reporter. Core JavaScript Engine nicolas.b.pierron RESO FIXE 2024-03-19
1886035 [Gecko iOS] Update some SpiderMonkey defines from XP_MACOSX to XP_DARWIN Core JavaScript Engine nika RESO FIXE 2024-03-21
1873328 AddressSanitizer: stack-overflow on address 0x7ffe5ed61d08 with ubi node takeCensus Core JavaScript Engine sphink RESO FIXE 2024-05-30
1888727 Truncated structured clone of BigInt throws uncatchable exception Core JavaScript Engine sphink RESO FIXE 2024-04-03
1876281 Remove JavaScript Tests as it's own component Core JavaScript Engine ystartsev RESO FIXE 2024-01-27
1873417 Import map sometimes prevents module script execution Core JavaScript Engine allstars.chh RESO FIXE 2024-02-04
1877122 Import map prevents module script execution if the script is still compiling Core JavaScript Engine allstars.chh RESO FIXE 2024-02-04
1843499 Don't clobber exception stack when re-throwing non-ErrorObject values Core JavaScript Engine andrebargull RESO FIXE 2024-02-06
1878657 Enable fuzzing for resizable and growable ArrayBuffers Core JavaScript Engine andrebargull RESO FIXE 2024-02-06
1879783 AddressSanitizer: SEGV on unknown address 0x000000000001 or Assertion failure: maxLength <= ArrayBufferObject::ByteLengthLimit, at vm/SharedArrayObject.cpp:65 Core JavaScript Engine andrebargull RESO FIXE 2024-05-30
1892041 Update test262 (April 17, 2024) Core JavaScript Engine andrebargull RESO FIXE 2024-04-18
1878817 JS::loader::ModuleLoaderBase::mEventTarget is unused Core JavaScript Engine arai.unmht RESO FIXE 2024-02-06
1880003 Fix backslash handling in JS::Value::dump Core JavaScript Engine arai.unmht RESO FIXE 2024-03-01
1883179 Assertion failure: script->filename(), at builtin/ModuleObject.cpp:1056 Core JavaScript Engine arai.unmht RESO FIXE 2024-05-30
1860887 Provide JSON.parse with source for primitives Core JavaScript Engine bthrall RESO FIXE 2024-03-18
1879016 Unable to compile build without Intl api (--without-intl-api) Core JavaScript Engine bthrall RESO FIXE 2024-04-09
1826573 Implement duplicate named capture groups Core JavaScript Engine dminor RESO FIXE 2024-06-10
1877822 Update test262 (January 31, 2024) Core JavaScript Engine dminor RESO FIXE 2024-02-03
1884150 Ship Resizable and growable ArrayBuffers Core JavaScript Engine dminor RESO FIXE 2024-06-13
1903288 Ship duplicate named capture groups Core JavaScript Engine dminor RESO FIXE Thu 21:12
1903329 Ship Float16Array Core JavaScript Engine dminor RESO FIXE Mon 20:39
1878158 Slow DOM property access in React's SyntheticEvent constructor Core JavaScript Engine dothayer RESO FIXE 2024-07-04
1881995 Replace strings during atomization with a new string type which points to the corresponding atom Core JavaScript Engine dothayer RESO FIXE 2024-05-31
1877831 New test262 failures with Iterator Helpers Core JavaScript Engine evilpies RESO FIXE 2024-03-21
1893229 Enable radix sorting for Float16Array Core JavaScript Engine jatber.mrowr RESO FIXE 2024-06-23
1853400 Consider releasing the helper thread lock before calling the task dispatch callback Core JavaScript Engine jcoppeard RESO FIXE 2024-05-01
1877406 Assertion failure: slots == calculateDynamicSlots(), at vm/JSObject-inl.h:45 Core JavaScript Engine jcoppeard RESO FIXE 2024-05-30
1877703 Dynamically inserted import map fails to remap bareword import Core JavaScript Engine jcoppeard RESO FIXE 2024-03-20
1880444 Assertion failure: !last_->next, at js/src/ds/SinglyLinkedList.h:34 with Debugger Core JavaScript Engine jcoppeard RESO FIXE 2024-02-25
1863454 GetElement for missing properties on the document element is 60x slower in Firefox than Chrome or Safrari Core JavaScript Engine jdemooij RESO FIXE 2024-02-18
1877193 Make StaticPrefList.yaml prefs available in SpiderMonkey Core JavaScript Engine jdemooij RESO FIXE 2024-04-24
1878466 AddressSanitizer: SEGV on unknown address 0x000000000000 or MOZ_CRASH(Invalid object. Dead wrapper?) at vm/JSObject.h:662 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1878511 MOZ_CRASH(If all our globals are dead, why is someone expecting a global?) at vm/Compartment.cpp:593 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1884360 Reimplement Array.prototype.sort with a JIT trampoline Core JavaScript Engine jdemooij RESO FIXE 2024-05-16
1896951 BigInts are not reported in about:memory Core JavaScript Engine jdemooij RESO FIXE 2024-05-22
1898280 Prevent chains of dependent strings from LSubstr Core JavaScript Engine jdemooij RESO FIXE 2024-06-28
1903037 Replace DOMStringExternalString with JS strings using StringBuffer directly Core JavaScript Engine jdemooij RESO FIXE Tue 13:07
1905117 Allocate more JS strings with a StringBuffer instead of raw malloc Core JavaScript Engine jdemooij RESO FIXE Tue 07:55
1906350 96.23 - 5.92% perf_reftest_singletons id-getter-7.html / pdfpaint xfa_bug1722030_1.pdf + 21 more (Linux, OSX, Windows) regression on Wed June 26 2024 Core JavaScript Engine jdemooij RESO FIXE Thu 11:01
1877791 Implement the JSON modules proposal Core JavaScript Engine jonatan.r.klemets RESO FIXE 2024-02-29
1440748 StructuredClone stack overflow reading invalid data Core JavaScript Engine mgaudet RESO FIXE 2024-06-19
1866158 Use a Fuse to speed up EmulatesUndefined check. Core JavaScript Engine mgaudet RESO FIXE 2024-07-02
1875650 Assertion failure: !obj->nonCCWRealm()->realmFuses.optimizeGetIteratorFuse.intact(), at jit/CacheIR.cpp:13809 Core JavaScript Engine mgaudet RESO FIXE 2024-05-30
1877824 Enable EmulatesUndefined Fuse Core JavaScript Engine mgaudet RESO FIXE 2024-02-15
1901323 Add IsCCW testing function Core JavaScript Engine mgaudet RESO FIXE 2024-06-21
1868693 *** This is not the Warning you are looking for (what is the error?) *** Intermittent Android 13 <random test> | WARNING: linker: Warning: "/data/local/tmp/test_root/bin/libmozglue.so" unused DT entry: unknown (<random>) <more random text> Core JavaScript Engine nicolas.b.pierron RESO FIXE 2024-05-27
1878773 Assertion failure: !aSpan.IsEmpty(), at /builds/worker/checkouts/gecko/dom/ipc/JSValidatorChild.cpp:182 Core JavaScript Engine sefeng RESO FIXE 2024-03-11
1878384 ArrayBuffer#transfer and #resize need a check for pinned length Core JavaScript Engine sphink RESO FIXE 2024-02-10
1873610 Improve error message for import/export modules Core JavaScript Engine allstars.chh RESO FIXE 2024-04-02
1893164 Module script can't be loaded by parent module B.mjs if it is canceled by parent module A.mjs Core JavaScript Engine allstars.chh RESO FIXE 2024-05-07
1894631 Assertion failure: JS::loader::ModuleLoadRequest::AssertAllImportsCancelled() Core JavaScript Engine allstars.chh RESO FIXE 2024-05-16
1897397 Import attributes: wrong type of errro is thrown when static import failed Core JavaScript Engine allstars.chh RESO FIXE 2024-05-21
1901482 ModuleLoadRequests for failed dynamic imports are kept until shutdown Core JavaScript Engine allstars.chh RESO FIXE 2024-06-11
981053 Always pass CallArgs by reference Core JavaScript Engine andrebargull RESO FIXE 2024-03-19
1835034 Implement JIT Support for Float16Array Core JavaScript Engine andrebargull RESO FIXE 2024-07-13
1872555 Assertion failure: !mArena || arena == mArena, at memory/build/mozjemalloc.cpp:4615 Core JavaScript Engine andrebargull RESO FIXE 2024-05-30
1876227 JS demo (https://www.fxhash.xyz/generative/slug/selva-oscura-i) is 3x slower in Nightly Core JavaScript Engine andrebargull RESO FIXE 2024-01-31
1878659 Allow growable SharedArrayBuffers in setSharedObject shell function Core JavaScript Engine andrebargull RESO FIXE 2024-02-07
1883017 ArrayBufferObject::ensureNonInline doesn't handle resizable buffers Core JavaScript Engine andrebargull RESO FIXE 2024-03-08
1884553 Assertion failure: js::gc::IsCellPointerValid(&obj), at js/Value.h:633 with CalendarFields Core JavaScript Engine andrebargull RESO FIXE 2024-04-15
1899333 Tack "const" to some "JSLinearString*" parameters Core JavaScript Engine andrebargull RESO FIXE 2024-06-11
1902910 Assertion failure: (iter_[0] == 'u' && iter_[1] == '-') || iter_[0] == '-', at builtin/intl/Locale.cpp:196 Core JavaScript Engine andrebargull RESO FIXE 2024-06-20
1620223 Assertion failure: cx->jobQueue->empty(), at builtin/Promise.cpp:5759 with Debugger Core JavaScript Engine arai.unmht RESO FIXE 2024-03-19
1783397 Add JS::Value::dump Core JavaScript Engine arai.unmht RESO FIXE 2024-03-20
1823209 Assertion failure: liveStepperCount + suspendedStepperCount == DebugScript::getStepperCount(trappingScript), at debugger/Debugger.cpp:2681 Core JavaScript Engine arai.unmht RESO FIXE 2024-03-27
1823904 Assertion failure: cx->realm()->isDebuggee(), at debugger/DebugScript.cpp:305 Core JavaScript Engine arai.unmht RESO FIXE 2024-03-14
1848417 Assertion failure: line != 0, at vm/Modules.cpp:861 Core JavaScript Engine arai.unmht RESO FIXE 2024-03-13
1858803 Add non-GC JSON parsing API Core JavaScript Engine arai.unmht RESO FIXE 2024-03-20
1862273 Consider having fatter typeof test bytecodes Core JavaScript Engine arai.unmht RESO FIXE 2024-05-13
1874248 help() should document scriptArgs Core JavaScript Engine arai.unmht RESO FIXE 2024-02-13
1879680 Remove JSONPrinter::{beginStringPropertyName,endStringPropertyName} Core JavaScript Engine arai.unmht RESO FIXE 2024-02-13
1880708 ModuleLoaderBase's cleanup methods should expect CC unlinks pointers before calling them Core JavaScript Engine arai.unmht RESO FIXE 2024-02-19
1888638 Assertion failure: UncheckedUnwrap(dependentPromise)->is<PromiseObject>() Core JavaScript Engine arai.unmht RESO FIXE 2024-04-03
1893611 "Services.prompt" and "Services.droppedLinkHandler" produce NS_ERROR_FAILURE when evaluated in browser console Core JavaScript Engine arai.unmht RESO FIXE 2024-05-15
1895124 Throw explicit error for dead wrapper in Debugger.addDebuggee Core JavaScript Engine arai.unmht RESO FIXE 2024-05-08
1899172 Remove ScriptFetchOptions::mElement field Core JavaScript Engine arai.unmht RESO FIXE 2024-05-30
1857536 Remove CompilationStorage type Core JavaScript Engine bthrall RESO FIXE 2024-03-11
1860889 Implement JSON.rawJSON and JSON.isRawJSON functions Core JavaScript Engine bthrall RESO FIXE 2024-03-21
1865115 Provide JSON.parse with source for objects Core JavaScript Engine bthrall RESO FIXE 2024-03-21
1865116 Provide JSON.parse with source for arrays Core JavaScript Engine bthrall RESO FIXE 2024-03-21
1865406 Add preference to enable JSON.parse with source Core JavaScript Engine bthrall RESO FIXE 2024-03-21
1887585 Assertion `value.length() < (32767)' failed at i18n/dtptngen.cpp:2343 Core JavaScript Engine bthrall RESO FIXE 2024-04-25
1890771 Test JSON.parse with source edge cases Core JavaScript Engine bthrall RESO FIXE 2024-06-27
1871147 Don't emit code to run extra initializers unless decorators are present Core JavaScript Engine debadree333 RESO FIXE 2024-03-21
1891041 Implement parsing for explicit resource management Core JavaScript Engine debadree333 RESO FIXE 2024-05-19
1897802 Implement `await using` syntax parsing Core JavaScript Engine debadree333 RESO FIXE 2024-05-23
1899398 Prevent using syntax in global scope Core JavaScript Engine debadree333 RESO FIXE 2024-06-04
1899717 Calls to @@dispose at the time of disposal should not be observable by user code Core JavaScript Engine debadree333 RESO FIXE 2024-06-15
1899870 Implement SuppressedError object Core JavaScript Engine debadree333 RESO FIXE 2024-07-08
1900262 Implement Bytecode for using in for-of loops Core JavaScript Engine debadree333 RESO FIXE 2024-06-06
1900263 Handle Non-local jumps for using statements Core JavaScript Engine debadree333 RESO FIXE 2024-06-25
1900276 Implement bytecode to handle using syntax in module context Core JavaScript Engine debadree333 RESO FIXE 2024-06-05
1900756 Move emission of DisposeDisposables bytecode to UsingEmitter Core JavaScript Engine debadree333 RESO FIXE 2024-06-12
1901473 Mark using declaration as BindingKind::Using in Binding Iter Core JavaScript Engine debadree333 RESO FIXE 2024-06-12
1904501 Assertion failure in case of non-local jumps inside for-of loop with using decl. Core JavaScript Engine debadree333 RESO FIXE 2024-07-01
1904992 Handle JSOp::AddDisposable in the stack dump in disassemble Core JavaScript Engine debadree333 RESO FIXE 2024-07-01
1905651 Implement DisposableStack Core JavaScript Engine debadree333 RESO FIXE Sun 12:47
1906866 Implement %IteratorPrototype% [ @@dispose ] ( ) Core JavaScript Engine debadree333 RESO FIXE 10:55:45
1881682 Add JS_PUBLIC_API to Stencil-related public classes/sturcts Core JavaScript Engine dimka.kozlov RESO FIXE 2024-03-01
1833647 Implement Float16Array Core JavaScript Engine dminor RESO FIXE 2024-06-26
1868423 Ship new set methods proposal Core JavaScript Engine dminor RESO FIXE 2024-06-07
1882696 Update irregexp to new version e50ab13bbfaaf72717fd73d9a01434e4c3c1a0a8 from 2024-02-29 00:00:00 Core JavaScript Engine dminor RESO FIXE 2024-06-19
1873964 Implement a HasOwn optimization for when there's a consistent shape with few properties, but variable keys Core JavaScript Engine dothayer RESO FIXE 2024-04-02
1878103 Make jitsrc less picky about memcpy/memmove implementations Core JavaScript Engine iireland RESO FIXE 2024-02-02
1879225 Update irregexp to new version Core JavaScript Engine iireland RESO FIXE 2024-03-01
1902581 MOZ_CRASH([unhandlable oom] SavedStacksMetadataBuilder) Core JavaScript Engine iireland RESO FIXE 2024-07-09
1888429 TaskController tasks don't map directly to JS helper thread tasks Core JavaScript Engine jcoppeard RESO FIXE 2024-05-27
1904642 Assertion failure: cx->realm() == state.script()->realm(), at js/src/vm/Interpreter.cpp:422 Core JavaScript Engine jcoppeard RESO FIXE 2024-06-27
1876660 Crash [@ __strlen_avx2] involving disnative Core JavaScript Engine jdemooij RESO FIXE 2024-04-09
1889685 Reimplement TypedArraySort with a JIT trampoline Core JavaScript Engine jdemooij RESO FIXE 2024-04-29
1893977 Reevaluate Array/TypedArray insertion sort threshold Core JavaScript Engine jdemooij RESO FIXE 2024-05-01
1899215 Assertion failure: !cx->isExceptionPending(), at debugger/Debugger.cpp:1966 Core JavaScript Engine jdemooij RESO FIXE 2024-05-28
1900847 jstests isn't scaling with faster CPU or more cores. Core JavaScript Engine jdemooij RESO FIXE 2024-06-07
1906312 Use external string cache more for NewStringFromBuffer Core JavaScript Engine jdemooij RESO FIXE Thu 09:21
1906848 Use StringBuffer instead of raw malloc for long atoms Core JavaScript Engine jdemooij RESO FIXE Wed 08:36
1879143 Improve atom caches in zones Core JavaScript Engine jlink RESO FIXE 2024-05-13
1888676 damp source-map.simple.DAMP + 7 more (Linux, OSX, Windows) regression on Tue March 19 2024 Core JavaScript Engine jlink RESO FIXE 2024-05-22
1893690 Implement associativity in AtomCacheHashTable Core JavaScript Engine jlink RESO FIXE 2024-05-22
1844128 Update Import Assertions to become Import Attributes Core JavaScript Engine jonatan.r.klemets RESO FIXE 2024-05-17
1861533 Implement more CacheIR ops in PBL Core JavaScript Engine jsharp RESO FIXE 2024-02-24
1265271 Mark JSClass as a MOZ_STATIC_CLASS Core JavaScript Engine mgaudet RESO FIXE 2024-06-07
1316557 Math.pow sometimes returns incorrect results Core JavaScript Engine mgaudet RESO FIXE 2024-02-28
1448922 GeckoProfiler.cpp has a stale link to cleopatra/js/parserWorker.js Core JavaScript Engine mgaudet RESO FIXE 2024-07-02
1638309 Better document the debugger-eval scope hack Core JavaScript Engine mgaudet RESO FIXE 2024-03-19
1825722 Handle functions that use only arguments.length better Core JavaScript Engine mgaudet RESO FIXE 2024-04-22
1875549 Consider not eagerly creating HTMLDDA object in browser test262 tests Core JavaScript Engine mgaudet RESO FIXE 2024-01-29
1877783 Use an invalidating fuse for OptimizeGetIterator destructuring Core JavaScript Engine mgaudet RESO FIXE 2024-03-19
1890252 Assertion failure: !chain[i]->is<GlobalObject>() && !chain[i]->is<NonSyntacticVariablesObject>(), at vm/EnvironmentObject.cpp:3328 Core JavaScript Engine mgaudet RESO FIXE 2024-04-16
1896505 Add use-counter telemetry for subclassing types Core JavaScript Engine mgaudet RESO FIXE 2024-05-30
1905967 Remove Emulates Undefined fuse Preference Core JavaScript Engine mgaudet RESO FIXE 2024-07-02
1908521 Suspected dead code in parser Core JavaScript Engine mgaudet RESO FIXE Thu 14:53
1793668 test262-update.py script --local argument doesn't work in python 3 Core JavaScript Engine Ms2ger RESO FIXE 2024-05-02
1891746 Update test262-export.py Core JavaScript Engine Ms2ger RESO FIXE 2024-04-18
1871969 signal 4 on freebsd arm64 due to missing cache synchronisation Core JavaScript Engine nicolas.b.pierron RESO FIXE 2024-02-06
1901406 Assertion failure: JS::StringIsASCII(message.get()), at /root/src/js/src/vm/ErrorReporting.cpp:56 Core JavaScript Engine nicolas.b.pierron RESO FIXE 2024-06-20
824495 Date.now() and performance.now() both very slow Core JavaScript Engine nobody RESO FIXE 2024-04-23
1291144 autospider.py should not use in-tree mozconfigs for local builds Core JavaScript Engine nobody RESO FIXE 2024-03-19
1602278 Hashing on VirusTotal.com slower than Chromium Core JavaScript Engine nobody RESO FIXE 2024-02-20
1803523 [META] implement Well-formed unicode strings Core JavaScript Engine nobody RESO FIXE 2024-04-25
1864862 Nightly spends tons of time around MinorGC on an online JSON-to-HTML converter. Chrome spends far less time. Core JavaScript Engine nobody RESO FIXE 2024-02-06
1907234 Improve error message for class members called "prototype" or "constructor" Core JavaScript Engine sidachen2003 RESO FIXE 02:58:50
1907369 Wrong error message for duplicate class constructors Core JavaScript Engine sidachen2003 RESO FIXE Wed 14:25
1878098 Assertion failure: self.get(), at builtin/TestingFunctions.cpp:5274 Core JavaScript Engine sphink RESO FIXE 2024-05-30
1879997 Use __builtin_clz or std::countl_one in InflateUTF8ToUTF16 Core JavaScript Engine sphink RESO FIXE 2024-02-22
1896557 Near-null deref in getCloneBuffer_impl Core JavaScript Engine sphink RESO FIXE 2024-05-16
1892577 JOF_MODEMASK bits are no longer needed for JS opcodes Core JavaScript Engine tcampbell RESO FIXE 2024-04-23
1879166 Assertion failure: !cx->isExceptionPending(), at vm/Interpreter.cpp:483 Core JavaScript Engine tschuster RESO FIXE 2024-05-30
1896345 Update BUG_COMPONENT in dom/base/test/jsmodules to JavaScriptEngine::Core Core JavaScript Engine allstars.chh RESO FIXE 2024-05-13
1875857 Fix different parameter names lint error after import assertions rename Core JavaScript Engine jonatan.r.klemets RESO FIXE 2024-01-24
1890696 [wpt-sync] Sync PR 45638 - Import map support for integrity metadata Core JavaScript Engine wptsync RESO FIXE 2024-05-14
1898141 [wpt-sync] Sync PR 46423 - Import map integrity tests - WebKit improvements Core JavaScript Engine wptsync RESO FIXE 2024-05-30
1875821 Perma Linux SM [Tier-2] /builds/worker/checkouts/gecko/js/src/vm/PortableBaselineInterpret.cpp:1253:18: error: use of undeclared identifier 'StringFromCharCode'; did you mean 'StringFromCharCodeNoGC'? Core JavaScript Engine andrebargull RESO FIXE 2024-01-28
1875894 Perma SM [tier 2] /builds/worker/checkouts/gecko/js/src/vm/PortableBaselineInterpret.cpp:4425:26: error: use of undeclared identifier 'AsyncFunctionResolveKind' Core JavaScript Engine andrebargull RESO FIXE 2024-02-04
1693223 Intermittent Assertion failure: !JS::GCThingIsMarkedGray(priv.toGCCellPtr()), at /builds/worker/checkouts/gecko/js/src/vm/ProxyObject.cpp:165 Core JavaScript Engine jcoppeard RESO FIXE 2024-05-16
1840744 Intermittent Assertion failure: sample >= 0.0 && sample <= 100.0, at /builds/worker/checkouts/gecko/js/src/vm/Runtime.h:276 Core JavaScript Engine jcoppeard RESO FIXE 2024-05-16
1897204 Perma tests/jit-test/jit-test/tests/wasm/const.js | /opt/worker/tasks/task_171586490191684/build/tests/jit-test/jit-test/lib/wasm.js:238:13 Error: Assertion failed: got 0, expected 1 (code 3, args "") [0.0 s] Core JavaScript Engine jdemooij RESO FIXE 2024-05-20
1897015 Perma valgrind-test | Conditional jump or move depends on uninitialised value(s) at drop_in_place / style::values::specified::color::Color::parse_internal / parse / parse Core JavaScript Engine mh+mozilla RESO FIXE 2024-05-21
1415188 Consider removing Reflect.parse's "builder" API Core JavaScript Engine nobody RESO FIXE 2024-05-28
1877606 Perma [tier 2] js/src/tests/<test> | <something> Core JavaScript Engine valentin.gosu RESO FIXE 2024-02-04
1904756 Perma [tier 2] js/src/jit-test/tests/wasm/builtin-modules/js-string/bug1903219.js | /builds/worker/checkouts/gecko/js/src/jit-test/lib/wasm.js:59:12 TypeError: import object field 'wasm:js-string' is not an Object (code 3, args "--setpref=wasm_js_string_ Core JavaScript Engine ydelendik RESO FIXE 2024-07-01
1887939 Update error message depending on whether symbols as weakmap keys are enabled Core JavaScript Engine allstars.chh RESO FIXE 2024-03-28
1876739 Wrap exception in JSContext::getPendingExceptionStack Core JavaScript Engine andrebargull RESO FIXE 2024-01-27
1886946 Assertion failure: !bufferUnshared()->isLengthPinned(), at vm/ArrayBufferViewObject.cpp:224 Core JavaScript Engine andrebargull RESO FIXE 2024-03-28
1887677 Wrong private fields scope in class computed keys that contain another class Core JavaScript Engine andrebargull RESO FIXE 2024-03-27
1890793 Assert CallArgs::newTarget is not gray Core JavaScript Engine andrebargull RESO FIXE 2024-04-11
1903867 Update test262 (June 20, 2024) Core JavaScript Engine andrebargull RESO FIXE 2024-06-20
1907122 Update test262 (July 10, 2024) Core JavaScript Engine andrebargull RESO FIXE 2024-07-11
1879699 LeakSanitizer: detected memory leaks [@ OffThreadCompileToStencil] Core JavaScript Engine arai.unmht RESO FIXE 2024-04-09
1879753 SpiderMonkey's lossy UTF-8 to UTF-16 conversion doesn't match Gecko's one at the end of string Core JavaScript Engine arai.unmht RESO FIXE 2024-02-13
1885401 JSString::dumpCharsNoQuote stack exhaustion Core JavaScript Engine arai.unmht RESO FIXE 2024-03-21
1891598 Assertion failure: isFunctionFrame(), at vm/Stack.h:588 Core JavaScript Engine arai.unmht RESO FIXE 2024-05-30
1893416 Compile error on Windows for Spidermonkey (v115 ESR): BailoutStack should be 8-byte aligned Core JavaScript Engine arai.unmht RESO FIXE 2024-05-14
1898677 Do not call ShouldCacheBytecode multiple times Core JavaScript Engine arai.unmht RESO FIXE 2024-05-27
638577 Reflect.parse doesn't handle doubly-declared functions gracefully Core JavaScript Engine bthrall RESO FIXE 2024-04-24
1879357 IONFLAGS=logs produces broken JSON Core JavaScript Engine bvisness RESO FIXE 2024-02-10
1893052 JS::ParseJSONWithHandler() should fail when boolean and null handlers fail at the top level Core JavaScript Engine continuation RESO FIXE 2024-04-24
1894793 Document additional tests that need to be updated when adding methods to existing builtin objects Core JavaScript Engine dminor RESO FIXE 2024-05-07
1884268 FirstSubsumedFrame::operator=(&&) leaks principals, maybe invokes UB Core JavaScript Engine iireland RESO FIXE 2024-03-12
1894883 Assertion failure: shape_ != later.shape_, at builtin/TestingFunctions.cpp:6262 Core JavaScript Engine iireland RESO FIXE 2024-05-07
1895871 Update irregexp to new version 66c0bd3237b1577e6291de56003f8fddc6b65b16 from 2024-05-09 00:00:00 Core JavaScript Engine iireland RESO FIXE 2024-05-16
1897150 Tables are not sorted in promete.fr after bug 1884360 Core JavaScript Engine iireland RESO FIXE 2024-05-23
1880464 Modules sometimes don't have filenames Core JavaScript Engine jcoppeard RESO FIXE 2024-03-02
1881310 Give oomTest a dummy definition in builds where it's not present Core JavaScript Engine jcoppeard RESO FIXE 2024-02-23
1885443 Assertion failure: mModuleScript->HadImportMap() == childScript->HadImportMap(), at /builds/worker/checkouts/gecko/js/loader/ModuleLoadRequest.cpp:219 Core JavaScript Engine jcoppeard RESO FIXE 2024-03-19
1894882 An an option to show long running jit tests Core JavaScript Engine jcoppeard RESO FIXE 2024-05-03
1902260 WeakMap symbol keys are compared based on their hash only Core JavaScript Engine jcoppeard RESO FIXE 2024-06-17
1907132 EnqueuePromiseResolveThenableJob allocates an array object unnecessarily Core JavaScript Engine jcoppeard RESO FIXE 2024-07-11
1877586 Assertion failure: false (owner_.compareExchange(nullptr, this)), at dist/include/js/Utility.h:326 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1877954 Assertion failure: callObj->callee().isGeneratorOrAsync(), at vm/EnvironmentObject.cpp:2463 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1887305 Assertion failure: environment->isDebuggee(), at debugger/Environment.cpp:532 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1890200 Assertion failure: !mEntered, at mozilla/Vector.h:584 Core JavaScript Engine jdemooij RESO FIXE 2024-04-10
1892300 Assertion failure: !holder->containsPure(id), at vm/GlobalObject.cpp:980 Core JavaScript Engine jdemooij RESO FIXE 2024-05-30
1894671 Ignore unknown shell flags in fuzzing mode Core JavaScript Engine jdemooij RESO FIXE 2024-05-03
1901407 Assertion failure: this->flags() == 0, at /root/src/js/src/gc/Cell.h:798 Core JavaScript Engine jdemooij RESO FIXE 2024-06-20
1906032 Perma [clang-trunk] mingw js/src/util/Text.h:39:15: error: implicit instantiation of undefined template 'std::char_traits<unsigned char>' Core JavaScript Engine jdemooij RESO FIXE 2024-07-09
1889319 Remove unused ModuleLoaderBase::RemoveFetchedModule declaration Core JavaScript Engine jonatan.r.klemets RESO FIXE 2024-04-03
1254771 Rename tests that refer to neutering ArrayBuffers Core JavaScript Engine mgaudet RESO FIXE 2024-03-13
1883987 Teach nameExpression about ParseNodeKind::ArgumentsLength Core JavaScript Engine mgaudet RESO FIXE 2024-03-07
1895959 Un-needed lookup of promise constructor in StartDynamicModuleImport Core JavaScript Engine mgaudet RESO FIXE 2024-05-13
1900115 Correct Type III subclassing reporting Core JavaScript Engine mgaudet RESO FIXE 2024-06-01
1904070 Array Type III subclassing use counter includes non-species uses Core JavaScript Engine mgaudet RESO FIXE 2024-06-25
1890905 Perma [clang-trunk] error: implicit instantiation of undefined template 'std::char_traits<unsigned char>' Core JavaScript Engine mh+mozilla RESO FIXE 2024-04-16
1894423 [clang-trunk] Perma js/src/threading/ExclusiveData.h:113:29: error: reference to non-static member function must be called Core JavaScript Engine mh+mozilla RESO FIXE 2024-05-01
1896052 TEST-UNEXPECTED-FAIL | js/src/jit-test/tests/1659595.js | Over recursed (code 1, args "") [0.0 s] Core JavaScript Engine mh+mozilla RESO FIXE 2024-05-13
636057 implement jsdIStackFrame.getCatchingTryBlockFrame(exception) Core JavaScript Engine nobody RESO FIXE 2024-05-24
638282 [meta] Performance faults to fix post-Fx4 Core JavaScript Engine nobody RESO FIXE 2024-03-23
647620 Interpreter simplification wishlist Core JavaScript Engine nobody RESO FIXE 2024-03-23
674689 [meta] IonMonkey: Anion bugs Core JavaScript Engine nobody RESO FIXE 2024-03-25
686015 Make the Debug object not use js_InitClass Core JavaScript Engine nobody RESO FIXE 2024-01-23
688176 Object.getOwnPropertyNames(this) in jsshell vs. xpcshell missing objects Core JavaScript Engine nobody RESO FIXE 2024-04-09
720631 window.close is handled differently when there's an error in the window.open Core JavaScript Engine nobody RESO FIXE 2024-02-20
733531 ESR regression: Running out of memory in JavaScript array through JS terminal results in the array buffer not being written to Core JavaScript Engine nobody RESO INCO 2024-05-01
737647 Compiled box2d benchmark hangs on IonMonkey Core JavaScript Engine nobody RESO FIXE 2024-05-01
761722 EVENTLOOP_UI_LAG_EXP regressed, possible cause: IGC? Core JavaScript Engine nobody RESO FIXE 2024-05-07
767238 [meta] Make Emscripten-generated code as fast as possible Core JavaScript Engine nobody RESO FIXE 2024-05-07
776043 jit_tests.py does not distinguish SyntaxError from crash Core JavaScript Engine nobody RESO FIXE 2024-05-07
777424 jstest: Use the full terminal width for the progress bar Core JavaScript Engine nobody RESO FIXE 2024-05-07
803837 Clearing object properties by setting property Core JavaScript Engine nobody RESO FIXE 2024-04-23
816141 See if it's feasible to finalize all JS objects in one go during shutdown Core JavaScript Engine nobody RESO FIXE 2024-04-23
889616 I18n API should expose language negotiation API Core JavaScript Engine nobody RESO FIXE 2024-01-22
1895121 Misskey fails to load with "`TypeError: target` argument of Reflect.get must be an object, got (void 0)" Core JavaScript Engine nobody RESO FIXE 2024-05-15
1874785 LeakSanitizer: detected memory leaks [@ CustomSerializableObject::ActivityLog] Core JavaScript Engine sphink RESO FIXE 2024-04-09
1881176 isTenured/isNursery in string dump is confusing Core JavaScript Engine sphink RESO FIXE 2024-02-21
1886273 Cannot pass a PersistentRootedVector<Value> as a HandleValueArray Core JavaScript Engine sphink RESO FIXE 2024-03-19
1905063 Perma mochitest/xpc js/xpconnect/tests/unit/test_json_parse_with_source.js | js/xpconnect/tests/mochitest/test_json_parse_with_source_worker.html when Gecko 129 merges to Beta on 2024-07-08 Core JavaScript Engine bthrall VERI FIXE 2024-07-09
1875797 AddressSanitizer: heap-use-after-free [@ CustomSerializableObject::ActivityLog::logImpl] with READ of size 8 with makeSerialize Core JavaScript Engine sphink VERI FIXE 2024-01-25
1880104 The browser crashes when it's closed if the "javascript.options.parallel_parsing" pref is set to false Core JavaScript Engine arai.unmht VERI FIXE 2024-05-21
1903324 Assertion failure: BytecodeOpCanHaveAllocSite(JSOp(*pc_)), at js/src/jit/CacheIR.cpp:276 Core JavaScript Engine jdemooij VERI FIXE 2024-07-09
1883837 Hit MOZ_CRASH(emitDestructuringLHSRef: bad lhs kind) at frontend/BytecodeEmitter.cpp:2690 Core JavaScript Engine mgaudet VERI FIXE 2024-03-07
1884958 Assertion failure: idval.isSymbol(), at /js/src/vm/Interpreter-inl.h:561 Core JavaScript Engine mgaudet VERI FIXE 2024-03-19
1875114 Crash [@ InstantiateModuleStencil] or Assertion failure: isObject(), at dist/include/js/Value.h:953 Core JavaScript Engine arai.unmht VERI FIXE 2024-01-23
1882664 Newly set prefs via --setpref do not seem to be activated from the command line in the js shell Core JavaScript Engine jdemooij VERI FIXE 2024-04-09
1894964 [linkedin.com] Search is not working on Nightly Core JavaScript Engine nobody VERI FIXE 2024-05-07
259 bugs found.
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