On Jun 12, 2005, at 9:33 AM, Justin Haygood wrote:

Ouch, crash in markStackObjectsConservatively()

The following two lines essentially cause the crash:

 char **p = (char **)start;
 char **e = (char **)end;

start and end work, and according to the debugger have the correct values.

p and e also have correct values, BUT also the debugger has this to say about them:

p: expression can't be evaluated
e: Bad Ptr

That's really weird. Are you still having this problem? I don't have access to a Windows box at the moment so I have no idea what would be wrong. Perhaps windows doesn't like the cast to a doubly indirect pointer for some reason. Or maybe it is trying to implicitly double- deference them in the debugger, which of course would not work since they point to spots on the stack that likely are not themselves valid pointers.

Regards,
Maciej

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