MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/typeclasses'
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/mmc --generate-dependencies --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     instance_unconstrained_tvar_dup > instance_unconstrained_tvar_dup.dep_err 2>&1
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/typeclasses'
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/typeclasses'
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/mmc --make-interface --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     instance_unconstrained_tvar_dup
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/mmc --compile-to-c --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS     instance_unconstrained_tvar_dup > instance_unconstrained_tvar_dup.err 2>&1
make[3]: *** [/tmp/mmake.rYikXa:2681: instance_unconstrained_tvar_dup.c_date] Error 139
make[3]: Target 'instance_unconstrained_tvar_dup.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/typeclasses'
ERROR OUTPUT
Segmentation fault (core dumped)
END OF THE ERROR OUTPUT