Using alloca in function parameters buggy or works ???

[Dave Korn]

> -----Original Message-----
> From: Graham Stott  
> Sent: 16 September 2004 17:36

> >   And how about calling alloca in a varargs function that 
> has an eliminated
> > frame pointer and incoming args space?  That could be a 
> good way to expose
> > latent bugs...... <g>
> > 
> The backends usually say the frame_pointer is needed if 
> alloca is used.
> 
> Graham  

> -----Original Message-----
> From: Andreas Schwab
> Sent: 16 September 2004 17:39

> "Dave Korn" writes:
> 
> >   And how about calling alloca in a varargs function that 
> has an eliminated
> > frame pointer and incoming args space?  That could be a 
> good way to expose
> > latent bugs...... <g>
> 
> Use of alloca should force a frame pointer.  I don't think 
> that GCC got that ever wrong.


  Well, like I say, combining alloca and varargs ought to make a good
testcase!


    cheers, 
      DaveK
-- 
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