Compiling certain LACFUNs with -nodfr crashes sac2c during compile traversal

Bugzilla Link	1198
Created on	Jun 30, 2017 15:56
Resolution	INVALID
Resolved on	Jun 30, 2017 19:21
Version	svn
OS	Linux
Architecture	PC
Attachments	crud.sac

Extended Description

Created an attachment (id=1062)
source code to reproduce failure
sac2c crud.sac  -v1 -nodfr 
Internal compiler error
Program reached impossible state at /home/sac/sac2c/src/libsac2c/codegen/compile.c:1438 -- Unrecognized dim descriptor
Please file a bug at: http://bugs.sac-home.org
sac@rattler:~/sac/testsuite/optimizations/pogo$ sac2c -V
sac2c 1.2-beta-BlackForest-542-g4d1d1
build-type: DEBUG
built-by: "sac" at 2017-06-29T10:12:15
I stumbled onto this one.
I suspect (but have not looked) that sac2c is looking
at a dead function. It may not be worth shooting, as we
rarely run with -nodfr.