Reviewed-by: brutisso, ehelin

Reviewed-by: stefank, hseigel, mgerdin

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

Summary: Correctly calculate the initialization value for the shift between object start and bitmap bit in the G1 mark bitmaps.
Reviewed-by: tonyp

Summary: Correctly pass the requested base address for the heap to the OS function to reserve memory.
Reviewed-by: brutisso, stefank

Summary: Use best-fit block-splitting freelist allocation from the block freelist.
Reviewed-by: jmasa, stefank

Summary: The code for reading compressed klass pointers in the sa-agent on Mac used readCompOopAddress instead of readCompKlassAddress, this is wrong but has been hidden because compressed oops and compressed klasses has used the same base address in the past.
Reviewed-by: sla, jmasa
Contributed-by: stefan.johansson@oracle.com

Reviewed-by: coleenp, mgerdin, hseigel

Reviewed-by: jcoomes

Reviewed-by: azeemj, brutisso, kvn, tschatzl

Summary: Added brackets for if-statement
Reviewed-by: kvn, roland

Summary: Moved local scheduling code from class Block to class PhaseCFG
Reviewed-by: kvn, roland

8023381: VM fails to initialize in runtime/CDSCompressedKPtrs/XShareAuto.java runtime/SharedArchiveFile/CdsSameObjectAlignment.java
Summary: Improve handling when CDS archive cannot be mapped
Reviewed-by: kvn, dholmes, mseledtsov

Summary: skip verification for generated lambda classes
Reviewed-by: kamg, dholmes

Summary: Fix comments and optimization level.
Reviewed-by: rdurbin, coleenp, hseigel
Contributed-by: lois.foltan@oracle.com

Summary: Fixed a memory leak in FlatProfiler::record_thread_tick() method
Reviewed-by: dholmes, ccheung

Reviewed-by: jcoomes

8019902: G1: Use the average heap size rather than the minimum heap size to calculate the region size
Reviewed-by: tonyp, tschatzl, sjohanss

Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification
Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung
Contributed-by: lois.foltan@oracle.com