8226406: JVM fails to detect mismatched or corrupt CDS archive
Summary: Check important archive header fields such as _jvm_ident before processing other fields.
Reviewed-by: iklam, jiangli
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
.*/JTreport/.*
.*/JTwork/.*
.*/.git/.*