462275 - JS crash running chrome mochitests on Mac OS X 10.5.5

Status: RESOLVED DUPLICATE of bug 462186

(Core :: JavaScript Engine, defect)

Description

[Josh Aas]

I was running chrome mochitests (python runtests.py --chrome) on Mac OS X 10.5.5 with a debug build of Minefield and got a crash, the top few frames of which look like this:

Thread 0 Crashed:
0   libmozjs.dylib                	0x002b1569 JS_Assert + 67 (jsutil.cpp:63)
1   libmozjs.dylib                	0x00268860 ReconstructPCStack(JSContext*, JSScript*, unsigned char*, unsigned char**) + 940
2   libmozjs.dylib                	0x00268d63 DecompileExpression(JSContext*, JSScript*, JSFunction*, unsigned char*) + 699
3   libmozjs.dylib                	0x002782b2 js_DecompileValueGenerator + 612 (jsopcode.cpp:4974)

Comment 1

[Josh Aas]

Attachment: full stack

Comment 2

[Josh Aas]

This was near the end of the terminal output:

Assertion failure: OBJ_BLOCK_DEPTH(cx, obj) == pcdepth, at /Users/josh/src/mozilla/ff_191_debug/js/src/jsopcode.cpp:5200
ERROR FAIL Exited with code 5 during test run
WARNING: nsExceptionService ignoring thread destruction after shutdown: file /Users/josh/src/mozilla/ff_191_debug/xpcom/base/nsExceptionService.cpp, line 194

Comment 3

[Josh Aas]

The particular test that crashes is:

toolkit/mozapps/downloads/tests/chrome/test_multi_select.xul