https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64098
--- Comment #1 from Mircea Namolaru <mircea.namolaru at inria dot fr> --- Bug confirmed. The error message points to a problem in the way in which the unroll-and-jam code manage the isl objects (the space is not freed properly). I pinned down the function causing the problem, but work is still needed. I will send a patch in the following days. The patch will also add some test cases (including this one) for loop-unroll-and-jam.
