MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-08-11/tests/invalid_nodepend'
if /mnt/testing/run/build/mercury-srcdist-rotd-2023-08-11/stage2/scripts/mmc --errorcheck-only --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS  --verbose-error-messages   instance_bug \
	> instance_bug.err 2>&1; \
then false; \
else true; \
fi
Comparing instance_bug.err with instance_bug.err_exp*,
	results in instance_bug.err_res
** instance_bug.err did not match the expected error output
** (closest match was instance_bug.err_res1)
--- instance_bug.err_exp	2022-02-04 18:03:14.000000000 +1100
+++ instance_bug.err	2023-08-12 15:03:31.497034986 +1000
@@ -1,6 +1 @@
-instance_bug.m:013: Error: non-abstract instance declaration in module
-instance_bug.m:013:   interface.
-instance_bug.m:013:   If you intend to export this instance, move this
-instance_bug.m:013:   declaration to the implementation section, replacing it
-instance_bug.m:013:   in the interface section with its abstract version, which
-instance_bug.m:013:   omits the `where [...]' part.
+Segmentation fault
make[3]: *** [../Mmake.common:172: instance_bug.err_res] Error 1
make[3]: Target 'instance_bug.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2023-08-11/tests/invalid_nodepend'