https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67754
--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Note that the failures FAIL: gfortran.dg/graphite/block-1.f90 -O (internal compiler error) FAIL: gfortran.dg/graphite/block-1.f90 -O (test for excess errors) with -m32 are still there with isl-0.15 and r228270: [Book15] f90/bug% gfc /opt/gcc/_clean/gcc/testsuite/gfortran.dg/graphite/block-1.f90 -O2 -floop-nest-optimize -m32 /opt/gcc/_clean/gcc/testsuite/gfortran.dg/graphite/block-1.f90:1:0: subroutine matrix_multiply(a,b,c,n) ^ internal compiler error: in extract_affine_chrec, at graphite-sese-to-poly.c:605