Subj : Exception in SpiderMonkey v1.6 pr 6a
To   : netscape.public.mozilla.jseng
From : Rob Swindell
Date : Thu Apr 28 2005 10:22 pm

Here's a call-stack from a recent crash of a script using js32.dll
(JavaScript-C 1.5 pre-release 6a 2004-06-09):

js_LookupPropertyWithFlags(JSContext * 0x00a32010, JSObject * 0x015a2cf8,
long 0x01cbc3f0, unsigned int 0x00000000, JSObject * * 0x0012e39c,
JSProperty * * 0x0012e318) line 2442 + 34 bytes
js_LookupProperty(JSContext * 0x00a32010, JSObject * 0x015a2cf8, long
0x01cbc3f0, JSObject * * 0x0012e39c, JSProperty * * 0x0012e318) line 2417 +
27 bytes
js_Interpret(JSContext * 0x00a32010, unsigned char * 0x015f2913, long *
0x0012e4ec) line 2426 + 43 bytes
js_Invoke(JSContext * 0x00a32010, unsigned int 0x00000001, unsigned int
0x00000000) line 1313 + 22 bytes
js_Interpret(JSContext * 0x00a32010, unsigned char * 0x015aa75f, long *
0x0012f5b0) line 3566 + 15 bytes
js_Execute(JSContext * 0x00a32010, JSObject * 0x010e93a8, JSScript *
0x016772c0, JSStackFrame * 0x00000000, unsigned int 0x00000000, long *
0x0012f6cc) line 1523 + 19 bytes
JS_ExecuteScript(JSContext * 0x00a32010, JSObject * 0x010e93a8, JSScript *
0x016772c0, long * 0x0012f6cc) line 3630 + 25 bytes
js_exec(const char * 0x00a50c21, char * * 0x00a50bd4) line 721 + 36 bytes
main(int 0x0000000a, char * * 0x00a50bb0, char * * 0x00a50c58) line 976 + 25
bytes
mainCRTStartup() line 206 + 25 bytes
KERNEL32! 7c59893d()

Line 2442 in jsobj.c is simple a call to this (rather extensive) macro:

    CHECK_FOR_FUNNY_INDEX(id);

Any clues as the cause/solution would be appreciate,

-Rob

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