8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty
Summary: Allocate medium chunks for class metaspace when class loader has lots of classes
Reviewed-by: mgerdin, jmasa

Summary: Added -XX:+UsePerfData to Test7196045.java.
Reviewed-by: dholmes, collins

Summary: The fix is basically a backport of JDK-7019165 (pstack issue) to jhelper.d.
Reviewed-by: coleenp, sspitsyn
Contributed-by: tomas.hurka@oracle.com

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

Summary: The assert is invalid when a card is being refined by two different threads and its count crosses the hot threshold - the refinement count will be updated once by each thread triggering the assert. Remove the assert and update the count using a bounded expression.
Reviewed-by: jmasa, tamao, brutisso

Reviewed-by: tschatzl, brutisso, jmasa, ysr
Contributed-by: per.liden@oracle.com

Reviewed-by: jcoomes

Summary: Set HeapBaseMinAddress as default rather than ergo
Reviewed-by: stefank, jmasa, kvn

Reviewed-by: tbell, darcy

Reviewed-by: stefank, brutisso, mgronlun

Reviewed-by: jmasa, mgerdin

Reviewed-by: tschatzl, brutisso

Reviewed-by: johnc, tschatzl

Reviewed-by: stefank, brutisso

Summary: Minimize redundant verifications of Klasses.
Reviewed-by: hseigel, jmasa

Summary: Replace _indy by _jsr292 and also fix VERIFY_OOP macros.
Reviewed-by: kvn

Summary: Regression test for 8005956
Reviewed-by: kvn, twisti

Summary: Replaces unused decodeN at MemBarAcquire with its corresponding loadN if loadN is used at more than one place.
Reviewed-by: kvn, twisti

Reviewed-by: kvn

Summary: remove unused breakpoint relocation type
Reviewed-by: kvn

Summary: Added Atomic::inc(short*) to support this change.
Reviewed-by: coleenp, dcubed, dholmes, minqi

Summary: Add code pc location for compiled code
Reviewed-by: kvn, coleenp
Contributed-by: doug.simon@oracle.com

Summary: Detect this crash in the signal handler and give a fatal error message instead of making us chase down bugs that don't reproduce
Reviewed-by: kvn, mgerdin, dholmes

Reviewed-by: jcoomes