(f)lex & poisoned malloc / free in system.h

[Kaveh R. Ghazi]

 > From: Michael Meeks <michael@ximian.com>
 > 
 > > Assuming that is acceptable, does the following patch solve the
 > > problem for you?
 > 
 > 	Yes,

Do you feel it is worth installing it in gcc or will you maintain it
separately with your front-end?

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Kaveh R. Ghazi			Engagement Manager / Project Services
ghazi@caip.rutgers.edu		Qwest Internet Solutions