MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-06-28/tests/invalid_purity'
/mnt/testing/run/build/mercury-srcdist-rotd-2023-06-28/stage2/scripts/mmc --generate-dependencies --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS  --no-intermodule-optimization    purity > purity.dep_err 2>&1
make[3]: *** [/tmp/mmake.wFC5KE:1948: purity.depend] Error 139
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-06-28/tests/invalid_purity'
FAILED TEST invalid_purity/purity in grade hlc.par.gc