MERCURY_OPTIONS= --deep-random-write=25 --mdb-disable-progress
make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-03-25/tests/invalid_nodepend'
if /mnt/testing/run/build/mercury-srcdist-rotd-2024-03-25/stage2/scripts/mmc --errorcheck-only --grade hlc.par.gc     --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS  --verbose-error-messages   predmode \
	> predmode.err 2>&1; \
then false; \
else true; \
fi
Comparing predmode.err with predmode.err_exp*,
	results in predmode.err_res
** predmode.err did not match the expected error output
** (closest match was predmode.err_res1)
--- predmode.err_exp	2021-07-28 22:23:57.000000000 +1000
+++ predmode.err	2024-03-26 14:35:18.040941213 +1100
@@ -1,14 +1 @@
-predmode.m:009: Error: some but not all arguments have modes.
-predmode.m:009:   The argument without a mode is the second.
-predmode.m:017: In `:- pred' declaration:
-predmode.m:017:   in the first argument:
-predmode.m:017:   error: `1' is not a type.
-predmode.m:017: In `:- pred' declaration:
-predmode.m:017:   in the first argument:
-predmode.m:017:   error: an integer such as `2' cannot be a valid mode.
-predmode.m:017: In `:- pred' declaration:
-predmode.m:017:   in the second argument:
-predmode.m:017:   error: `"bad"' is not a type.
-predmode.m:017: In `:- pred' declaration:
-predmode.m:017:   in the second argument:
-predmode.m:017:   error: a string such as `"worse"' cannot be a valid mode.
+Segmentation fault
make[3]: *** [../Mmake.common:172: predmode.err_res] Error 1
make[3]: Target 'predmode.runtest' not remade because of errors.
make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-03-25/tests/invalid_nodepend'