MERCURY_OPTIONS= --deep-random-write=25 --deep-std-name --mdb-disable-progress
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/tests/valid'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/stage2/scripts/mmc --generate-dependencies --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt -O0 --optimise-tailcalls --warn-non-tail-recursion self-and-mutual   require_tailrec_3 > require_tailrec_3.dep_err 2>&1
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/tests/valid'
gmake[3]: Entering directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/tests/valid'
/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/stage2/scripts/mmc --make-interface --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt -O0 --optimise-tailcalls --warn-non-tail-recursion self-and-mutual   require_tailrec_3
/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/stage2/scripts/mmc --make-optimization-interface --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt -O0 --optimise-tailcalls --warn-non-tail-recursion self-and-mutual   require_tailrec_3
/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/stage2/scripts/mmc --compile-to-c --grade hlc.gc    --mercury-linkage static --flags ../TESTS_FLAGS --flags ../WS_FLAGS -O5 --intermod-opt -O0 --optimise-tailcalls --warn-non-tail-recursion self-and-mutual   require_tailrec_3 > require_tailrec_3.err 2>&1
gmake[3]: *** [/tmp/mmake.FKOkNy:3582: require_tailrec_3.c_date] Error 1
gmake[3]: Target 'require_tailrec_3.runtest' not remade because of errors.
gmake[3]: Leaving directory '/home/mercury/testing/run/build/mercury-srcdist-rotd-2026-06-09/tests/valid'
ERROR OUTPUT
require_tailrec_3.m:066: Warning in `:- pragma require_tail_recursion' for
require_tailrec_3.m:066:   function `odd2'/1:
require_tailrec_3.m:066:   the code defining this function contains no
require_tailrec_3.m:066:   recursive calls at all, tail-recursive or otherwise.
require_tailrec_3.m:084: Error in `:- pragma require_tail_recursion' for
require_tailrec_3.m:084:   function `odd3'/1:
require_tailrec_3.m:084:   the code defining this function contains no
require_tailrec_3.m:084:   recursive calls at all, tail-recursive or otherwise.
require_tailrec_3.m:089: Warning in function `even3'/1:
require_tailrec_3.m:089:   this self-recursive call is not tail recursive.
require_tailrec_3.m:100: Warning in `:- pragma require_tail_recursion' for
require_tailrec_3.m:100:   function `odd4'/1:
require_tailrec_3.m:100:   the code defining this function contains no
require_tailrec_3.m:100:   recursive calls at all, tail-recursive or otherwise.
require_tailrec_3.m:105: Warning in function `even4'/1:
require_tailrec_3.m:105:   this self-recursive call is not tail recursive.
END OF THE ERROR OUTPUT