8026303: CMS: JVM intermittently crashes with "FreeList of size 258 violates Conservation Principle" assert
Reviewed-by: tschatzl, brutisso

Summary: Throw VerifyError for illegal accesses
Reviewed-by: acorn, ahgross, coleenp

Reviewed-by: jcoomes

Reviewed-by: brutisso, stefank, ahgross

Reviewed-by: mchung, dfuchs, ahgross, jmasa, brutisso, mgerdin
Contributed-by: kim.barrett@oracle.com

Summary: Remove check that causes the VerifyError
Reviewed-by: dholmes, coleenp, acorn

Summary: Fill the last card that has been allocated into with a dummy object
Reviewed-by: tschatzl, mgerdin

Summary: Fix pattern matching of range check
Reviewed-by: kvn

Summary: Also reviewed by: boris.molodenkov@oracle.com
Reviewed-by: dcubed, minqi, mschoene
Contributed-by: yasuenag@gmail.com, bengt.rutisson@oracle.com

Summary: Parse catch clause paths to ensure they end in throws
Reviewed-by: dlong, acorn, kamg, ctornqvi, lfoltan

Reviewed-by: jcoomes

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene

Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene