6920970: Zero build fixes after 6849984 and 6911204 Summary: Two recent commits broke the build on Zero. Reviewed-by: twisti Contributed-by: Gary Benson <gbenson@redhat.com>

Merge

Merge

6920090: G1: Disable ReduceInitialCardMarks at least until 6920109 is fixed Summary: G1 now answers "no" to the query can_elide_initializing_store_barrier() in the product build. A debug flag allows alternate behaviour in debug builds. Reviewed-by: iveresov, tonyp

6919980: G1: remove +UseG1GC from under experimental options (second attempt) Summary: Trying this again, as the original change was lost. Reviewed-by: ysr, jmasa

6918006: G1: spill space must be reserved on the stack for barrier calls on Windows x64 Summary: Stub code generated to call G1 barriers does not allocate spill space on the stack as required by Windows x64 ABI. The fix is to use more ABI-friendly call_VM_leaf(). Reviewed-by: iveresov, never, kvn

Merge

6895236: CMS: cmsOopClosures.inline.hpp:43 assert(..., "Should remember klasses in this context") Summary: Adjust assertion checking for ExplicitGCInvokesConcurrentAndUnloadsClasses as a reason for class unloading Reviewed-by: ysr

Merge

6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld Summary: Add safepoint after CompileTheWorldSafepointInterval (100) compilations and do full sweep of CodeCache each time. Reviewed-by: never Contributed-by: eric.caspole@amd.com

6911204: generated adapters with large signatures can fill up the code cache Reviewed-by: kvn, jrose

Merge