MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/tests/typeclasses'
/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/stage2/scripts/mmc --generate-dependencies --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS  --no-inlining --user-guided-type-specialization   complicated_constraint > complicated_constraint.dep_err 2>&1
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/tests/typeclasses'
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/tests/typeclasses'
/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/stage2/scripts/mmc --make-interface --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS  --no-inlining --user-guided-type-specialization   complicated_constraint
make[3]: *** [/tmp/mmake.cZbVgX:2045: complicated_constraint.date] Segmentation fault
make[3]: Target 'complicated_constraint.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-03-28/tests/typeclasses'