8145543: JPRT jobs see intermittent failures in compiler/floatingpoint/ModNaN.java Summary: Not reproducible due to glibc patch which affects current and previous versions. Removed @ignore for compiler/floatingpoint/ModNaN.java Reviewed-by: coleenp, gtriantafill

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/