MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/hard_coded'
/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  --halt-at-warn   switch_detect > switch_detect.dep_err 2>&1
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/hard_coded'
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/hard_coded'
/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  --halt-at-warn   switch_detect
/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  --halt-at-warn   switch_detect > switch_detect.err 2>&1
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/mgnuc --grade hlc.par.gc       --      -c switch_detect.c -o switch_detect.o
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/mgnuc --grade hlc.par.gc       --      -c switch_detect_init.c -o switch_detect_init.o
/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/scripts/ml --grade hlc.par.gc     --no-mercury-stdlib-dir  --trace-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/browser/mer_browser.init --trace-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/mdbcomp/mer_mdbcomp.init --ssdb-init-file /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/ssdb/mer_ssdb.init        --    -o switch_detect switch_detect_init.o \
	switch_detect.o \
	 /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/trace/libmer_trace.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/trace/libmer_eventspec.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/ssdb/libmer_ssdb.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/browser/libmer_browser.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/mdbcomp/libmer_mdbcomp.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/library/libmer_std.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/runtime/libmer_rt.a /mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/stage2/boehm_gc/libpar_gc.a      
{ [ -f switch_detect.inp ] && cat switch_detect.inp; } | ./switch_detect > switch_detect.out 2>&1 || \
	{ grep . switch_detect.out /dev/null; exit 1; }
Segmentation fault (core dumped)
make[3]: *** [../Mmake.common:121: switch_detect.out] Error 1
make[3]: Target 'switch_detect.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-02-02/tests/hard_coded'