Subj : Access Violation in JS32.DLL
To   : netscape.public.mozilla.jseng
From : Rob Swindell
Date : Thu Jul 07 2005 11:59 am

Using a current (as of today) CVS-snapshot MSVC6 thread-safe build of
JS32.DLL, the following problem occurs, but *only* when using a "release"
build (and yes, I have the /opt:noicf  link option):

When using capturing parenthesis in a deeply nested call to Array.split(),
the actual regular expression used is /(\r?\n\r?\n)/, I get:

"The instruction at "0x002843da" referenced memory at "0xffffffb8". The
memory could not be "read".

Click "Cancel" to debug and get:

"Unhandled exception in program.exe (JS32.DLL): 0xC0000005: Access
Violoation."

The call-stack appears blown up as the call stack always contains (just one)
item:

JS32! 002843da()

And this address doesn't appear to be valid based on the js32.map file.

If I use a debug build of JS32.DLL, the crash does not occur.

If I remove the capturing parenthesis from the regular expression (which I
know serves no purpose in a call to Array.split(), but I didn't write the
script in question), the crash goes away.

-Rob

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