Subj : Re: Stack corruption ? ( SpiderMonkey rc5 Win32 release)
To   : Pritham Shetty <pritham@macromedia.com>
From : Brendan Eich <brendan@meer.net>
Date : Wed May 14 2003 02:04 pm

Pritham Shetty wrote:

>Hi,
>
>I recently migrated to rc5 build from rc4a and everything seemed to work
>fine till I compiled the rc5 engine in release mode and some of  my scripts
>fail to execute. I was able to finally reproduce the problem with a simple
>script and running it under jsshell.
>

See bug 151066 (http://bugzilla.mozilla.org/show_bug.cgi?id=151066).  
The necessary MSVC linker option has been in js/src/Makefile.in since 
last summer.

/be

>
>Test case  :
>---------------------------------------------------
>function trace(a)
>{
>     print(a);
>}
>
>trace("***** Hello *******");
>
>-----------------------------------------------------
>
>I get the following error : "ReferenceError: a is not defined"  if js32.dll
>is  release build,  works fine in debug build.
>
>
>arguments.length and arguments[0] seems to be valid if I print it within the
>function.
>
>I was thinking this could be a compiler bug when I got it working by turning
>off optimization for one function in jsapi.c. This seems to fix the problem
>above but the script error shifts to other location within my script. I am
>wondering this may not be a compiler error but memory corruption issue.
>
>#pragma optimize( "", off )
>JS_PUBLIC_API(JSBool)
>JS_PropertyStub(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
>{
>    return JS_TRUE;
>}
>#pragma optimize( "", on )
>
>I am using Visual C++ 6.0.
>
>Anyone else experiencing similar problems ?
>
>Thanks,
>
>Pritham.
>
>
>
>
>
>  
>

.