Got similar output for continuing failure on macro.t on Darwin:
t/compilers/imcc/syn/macro.....................
# Failed test 'invalid label syntax (RT\#47978, RT\#51104)'
# at t/compilers/imcc/syn/macro.t line 438.
# 'compilers/imcc/imcc.l:994: failed assertion 'valp->s'
# '
# doesn't match '/syntax error, unexpected LABEL/
# '
# './parrot -D40 --gc-debug
"/Users/jimk/work/parrot/t/compilers/imcc/syn/macro_32.pir"' failed with
exit code [SIGNAL 6]
# Looks like you failed 1 test of 34.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/34 subtests
