crashes at end of optimization phase, due to index error in COvect2offset.

Bugzilla Link	1023
Created on	Sep 13, 2012 21:49
Version	svn
OS	Linux
Architecture	PC
Attachments	buildvsmaller.sac

Extended Description

Created an attachment (id=931)
source code to reproduce fault
sac2c -V
sac2c v1.00-beta (Haggis And Apple)
 developer rev 18221:MODIFIED linux-gnu_x86_64
 (Thu Sep 13 13:04:15 EDT 2012 by sac)
sac2c buildvsmaller.sac -doawlf -nowlf -bopt:uglf  -v1 >crud
produces a LOOPFUN with two WLs in it, that should have been
AWLF'd. The exact problem arises when both arguments of the catenate
are varying in shape. 
This has been with us for a while now, but I finally found a simple
failing example.