MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/tests/hard_coded'
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mmc --generate-dependencies --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt    multi_arm_switch > multi_arm_switch.dep_err 2>&1
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/tests/hard_coded'
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/tests/hard_coded'
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mmc --make-interface --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt    multi_arm_switch
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mmc --make-optimization-interface --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt    multi_arm_switch
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mmc --compile-to-c --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt    multi_arm_switch > multi_arm_switch.err 2>&1
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mgnuc --grade hlc.par.gc       --      -c multi_arm_switch.c -o multi_arm_switch.o
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/mgnuc --grade hlc.par.gc       --      -c multi_arm_switch_init.c -o multi_arm_switch_init.o
/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/scripts/ml --grade hlc.par.gc     --no-mercury-stdlib-dir  --trace-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/browser/mer_browser.init --trace-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/mdbcomp/mer_mdbcomp.init --ssdb-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/ssdb/mer_ssdb.init        --    -o multi_arm_switch multi_arm_switch_init.o \
	multi_arm_switch.o \
	 /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/trace/libmer_trace.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/trace/libmer_eventspec.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/ssdb/libmer_ssdb.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/browser/libmer_browser.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/mdbcomp/libmer_mdbcomp.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/library/libmer_std.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/runtime/libmer_rt.a /mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/stage2/boehm_gc/libpar_gc.a      
{ [ -f multi_arm_switch.inp ] && cat multi_arm_switch.inp; } | ./multi_arm_switch > multi_arm_switch.out 2>&1 || \
	{ grep . multi_arm_switch.out /dev/null; exit 1; }
Segmentation fault
make[3]: *** [../Mmake.common:121: multi_arm_switch.out] Error 1
make[3]: Target 'multi_arm_switch.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2022-03-25/tests/hard_coded'