Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes

Reviewed-by: coleenp, mgerdin, hseigel

Reviewed-by: tschatzl, jmasa

Summary: The auto corrector for mistyped vm options fuzzy-matches existing flags based on string similarity (Dice's coefficient).
Reviewed-by: kvn, dsamersoff, hseigel, johnc

8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
Summary: The VM exits when the condition in the subject line applies. The fix sets InitialTenuringThreshold to MaxTenuringThreshold if it is larger than MaxTenuringThreshold and InitialTenuringThreshold has not been set (is default).
Reviewed-by: jwilhelm, jmasa, brutisso, johnc

8014489: tests/gc/arguments/Test(Serial|CMS|Parallel|G1)HeapSizeFlags jtreg tests invoke wrong class
Summary: Some jtreg tests reference unknown classes in the @run and @build lines. This change fixes them.
Reviewed-by: stefank, ehelin

Summary: The patch for 8006088 misses regression tests after a merge error, this CR provides them.
Reviewed-by: jwilhelm, tamao, jmasa