[Bug tree-optimization/50439] gfortran infinite loop with -floop-interchange

[bagnara at cs dot unipr.it]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50439

--- Comment #7 from bagnara at cs dot unipr.it 2012-04-06 14:06:38 UTC ---
(In reply to comment #5)
> Here is a sketch (100% untested) of what can be done without intervening [...]

So untested that I forgot to declare to the MIP problem that all variables are
integer.  I have attached a file (example1.c) where this is corrected.