set PARALLEL_CFLAGS "-ansi -pedantic-errors -O2 \
-ftree-parallelize-loops=4 -floop-parallelize-all \
-fdump-tree-parloops-details -fdump-tree-optimized \
--fno-loop-strip-mine -fdump-tree-graphite-all"
+-fno-loop-strip-mine -fno-loop-block -fdump-tree-graphite-all"
# Initialize `dg'.
dg-init