Closed Bug 1185746 Opened 9 years ago Closed 9 years ago

Assertion failure: obj->lastProperty() == templateObject->as<ArrayObject>().lastProperty(), at vm/Interpreter.cpp

Categories

(Core :: JavaScript Engine, defect)

x86_64
macOS
defect
Not set
critical

Tracking

()

RESOLVED WORKSFORME
Tracking Status
firefox42 --- affected

People

(Reporter: gkw, Unassigned)

References

Details

(Keywords: assertion, regression, testcase, Whiteboard: [jsbugmon:])

Attachments

(1 file)

// Randomly chosen test: js/src/jit-test/tests/ion/popn.js evalcx("\ setJitCompilerOption(\"ion.warmup.trigger\", 1);\ setObjectMetadataCallback(true);\ var a = new Array(5);\ (function() {\ for (var i = 0; i < 1; ++i) {}\ for (var i = 0; i < 9; ++i) {\ var [r, g, b] = [1, i, -10];\ }\ })();\ // jsfunfuzz-generated ", newGlobal()) asserts js debug shell on m-c changeset d00e4167b482 with --fuzzing-safe --no-threads --ion-eager at Assertion failure: obj->lastProperty() == templateObject->as<ArrayObject>().lastProperty(), at vm/Interpreter.cpp Configure options: CC="clang -Qunused-arguments" CXX="clang++ -Qunused-arguments" AR=ar AUTOCONF=/usr/local/Cellar/autoconf213/2.13/bin/autoconf213 sh /Users/skywalker/trees/mozilla-central/js/src/configure --target=x86_64-apple-darwin12.5.0 --enable-debug --enable-nspr-build --enable-more-deterministic --with-ccache --enable-gczeal --enable-debug-symbols --disable-tests python -u ~/funfuzz/js/compileShell.py -b "--enable-debug --enable-more-deterministic --enable-nspr-build" -r d00e4167b482 autoBisect shows this is probably related to the following changeset: The first bad revision is: changeset: https://hg.mozilla.org/mozilla-central/rev/3a464761991d user: Jim Blandy date: Thu May 07 11:34:03 2015 -0700 summary: Bug 1050500: Add SpiderMonkey API for reporting JavaScript entry points. r=shu Jim, is bug 1050500 a likely regressor, or did it merely expose the bug?
Flags: needinfo?(jimb)
Attached file stack (deleted) —
(lldb) bt 5 * thread #1: tid = 0x37d24d, 0x0000000100263ed9 js-dbg-64-dm-nsprBuild-darwin-d00e4167b482`js::NewArrayOperationWithTemplate(cx=<unavailable>, templateObject=<unavailable>) + 553 at Interpreter.cpp:4782, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) * frame #0: 0x0000000100263ed9 js-dbg-64-dm-nsprBuild-darwin-d00e4167b482`js::NewArrayOperationWithTemplate(cx=<unavailable>, templateObject=<unavailable>) + 553 at Interpreter.cpp:4782 frame #1: 0x0000000100499fd2 js-dbg-64-dm-nsprBuild-darwin-d00e4167b482`js::jit::DoNewArray(cx=0x00000001028a3180, frame=<unavailable>, stub=<unavailable>, length=<unavailable>, res=<unavailable>) + 130 at BaselineIC.cpp:975 frame #2: 0x0000000101dc7347 frame #3: 0x0000000101dbfdc4 frame #4: 0x00000001004d5cb3 js-dbg-64-dm-nsprBuild-darwin-d00e4167b482`EnterBaseline(cx=0x0000000000000204, data=0xfff8800000000009) + 419 at BaselineJIT.cpp:124 (lldb)
Whiteboard: [jsbugmon:update] → [jsbugmon:]
JSBugMon: Cannot process bug: Error: Failed to isolate test from comment
I can't reproduce this anymore, not even with the original changeset. -> WORKSFORME
Status: NEW → RESOLVED
Closed: 9 years ago
Flags: needinfo?(jimb) → in-testsuite?
Resolution: --- → WORKSFORME
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