The change "8245129: Enhance jstat gc option output and tests" introduced
those tests :
sun/tools/jstat/jstatLineCounts1.sh
sun/tools/jstat/jstatLineCounts2.sh
sun/tools/jstat/jstatLineCounts3.sh
sun/tools/jstat/jstatLineCounts4.sh

Those 4 tests fail on the ppc64 platforms (linux ppc64, ppc64le and AIX).

sun/tools/jstat/jstatLineCounts1.sh has this stdout output :

:stdOut:
Wed Jul 01 00:33:43 CEST 2020
  S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT
  0.00 0.00 0.00 0.00 - - 0 0.000 0 0.000 0 0.000 0.000
  0.00 0.00 0.00 0.00 - - 0 0.000 0 0.000 0 0.000 0.000
  0.00 0.00 0.00 0.00 - - 0 0.000 0 0.000 0 0.000 0.000
  0.00 0.00 0.00 0.00 - - 0 0.000 0 0.000 0 0.000 0.000
  0.00 0.00 0.00 0.00 - - 0 0.000 0 0.000 0 0.000 0.000
  S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT
  0.00 0.00 66.32 0.00 - - 0 0.000 0 0.000 - - 0.000
  0.00 0.00 66.32 0.00 - - 0 0.000 0 0.000 - - 0.000
  0.00 0.00 66.32 0.00 - - 0 0.000 0 0.000 - - 0.000
  0.00 0.00 66.32 0.00 - - 0 0.000 0 0.000 - - 0.000
  0.00 0.00 68.32 0.00 - - 0 0.000 0 0.000 - - 0.000


Seems the M and CCS entries are missing, those columns only contain - .