[patch/rfc] allocate retbuf with xmalloc() instead of alloca()

[Andrew Cagney]

> 2002-07-01  Andrew Cagney  <ac131313@redhat.com>
> 
> 	* valops.c (hand_function_call): Move declaration of retbuf to
> 	start of function, allocate using malloc, add a cleanup but before
> 	the inf_status cleanup, cleanup the buffer.  Rename local variable
> 	old_chain to inf_status_cleanup.
> 

FYI, I've checked this in.

Andrew