Thanks everyone!
I will file a feature request for this via bugzilla.

Regards,
Sajish.



----- Original Message ----
From: Joseph S. Myers <[EMAIL PROTECTED]>
To: Michael Meissner <[EMAIL PROTECTED]>
Cc: Denys Vlasenko <[EMAIL PROTECTED]>; Sajish V <[EMAIL PROTECTED]>; 
gcc@gcc.gnu.org
Sent: Tuesday, July 1, 2008 5:07:05 PM
Subject: Re: free (static_array)

On Tue, 1 Jul 2008, Michael Meissner wrote:

> On Tue, Jul 01, 2008 at 11:50:58AM +0200, Denys Vlasenko wrote:
> > On Tuesday 01 July 2008 09:24, Sajish V wrote:
> > > Thanks for the reply, Denys.
> > > My question was, why doesn't gcc catch it during compilation? It is clear
> > > that we are trying to free a variable from stack. Shouldn't gcc flag an
> > > error for this during compilation?
> 
> It could.  Nobody has written the code to do so, and as they say patches are
> welcome (assuming you have done the paperwork to legally contribute to GCC).
> Have you filed a feature request via bugzilla so that it can be tracked?

An error is inappropriate; undefined behavior only occurs on execution of 
the call to free, not on compilation of the program.  A warning would be 
fine (as would converting the call to free into an abort).

-- 
Joseph S. Myers
[EMAIL PROTECTED]



      

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