Workaround flang issues #90

Job	Run time
debuntu (ubuntu/focal, openmpi, mini)	35m 4s
debuntu (ubuntu/focal, openmpi, all)	17m 39s
debuntu (ubuntu/focal, openmpi, pdi)	2m 31s
debuntu (ubuntu/focal, mpich, mini)	35m 21s
debuntu (ubuntu/focal, mpich, all)	18m 8s
debuntu (ubuntu/focal, mpich, pdi)	2m 42s
debuntu (ubuntu/rolling, openmpi, mini)	33m 15s
debuntu (ubuntu/rolling, openmpi, all)	15m 56s
debuntu (ubuntu/rolling, openmpi, pdi)	6m 19s
debuntu (ubuntu/rolling, mpich, mini)	35m 5s
debuntu (ubuntu/rolling, mpich, all)	17m 26s
debuntu (ubuntu/rolling, mpich, pdi)	3m 48s
debuntu (debian/oldstable, openmpi, mini)	29m 48s
debuntu (debian/oldstable, openmpi, all)	14m 51s
debuntu (debian/oldstable, openmpi, pdi)	4m 28s
debuntu (debian/oldstable, mpich, mini)	30m 55s
debuntu (debian/oldstable, mpich, all)	16m 21s
debuntu (debian/oldstable, mpich, pdi)	2m 48s
debuntu (debian/unstable, openmpi, mini)	30m 23s
debuntu (debian/unstable, openmpi, all)	18m 6s
debuntu (debian/unstable, openmpi, pdi)	2m 21s
debuntu (debian/unstable, mpich, mini)	30m 44s
debuntu (debian/unstable, mpich, all)	16m 56s
debuntu (debian/unstable, mpich, pdi)	2m 12s
	7h 3m 7s

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