Summary: Dl_info struct should only be used if dladdr() has returned non-zero (no errors) and always check the dladdr() return value; Dl_info.dli_sname and Dl_info.dli_saddr fields should only be used if non-NULL; update/improve runtime/6888954/vmerrors.sh test
Reviewed-by: dsamersoff, zgu, hseigel, coleenp

8016074: NMT: assertion failed: assert(thread->thread_state() == from) failed: coming from wrong thread state
Summary: Uses os::NakedYield() on Solaris instead of os::yield_all()
Reviewed-by: acorn, coleenp, hseigel

Summary: Return the appropriate JNI error message (instead of the generic one) when the JVM is already started
Reviewed-by: coleenp, hseigel
Contributed-by: sylvestre@debian.org

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

Reviewed-by: stefank, brutisso, mgronlun

Reviewed-by: sla, dholmes

Summary: Reduce default size of Thread::_metadata_handles from 300 to 30
Reviewed-by: coleenp, sspitsyn

Summary: Fixed NMT race condition for realloc, uncommit and release
Reviewed-by: coleenp, ccheung

Reviewed-by: dcubed, mgronlun

Reviewed-by: dholmes, sla

Reviewed-by: zgu, coleenp
Contributed-by: volker.simonis@gmail.com

Summary: changed AND to OR
Reviewed-by: coleenp, hseigel
Contributed-by: lois.foltan@oracle.com

Summary: Fixed MetaspaceShared::is_in_shared_space
Reviewed-by: coleenp, hseigel

Reviewed-by: tbell, darcy

Reviewed-by: jmasa, mgerdin

Reviewed-by: tschatzl, brutisso

Summary: Fixed possible NULL pointer that caused SIGSEGV
Reviewed-by: coleenp, acorn, ctornqvi

Reviewed-by: johnc, tschatzl

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

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

Summary: Missing linebreak in hotspot log.
Reviewed-by: brutisso, tschatzl
Contributed-by: vladimir.kempik@oracle.com

8001345: VM crashes with assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
Summary: Remove unnecessary LoadN / DecodeN nodes at MemBarAcquire nodes.
Reviewed-by: kvn, roland

Reviewed-by: tschatzl, dholmes, coleenp, johnc

Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

Summary: modify declaration of 'swap' overloading; dodge optimizer bug in c1_LIR.cpp
Reviewed-by: kvn, jrose

Summary: Increase HeapBaseMinAddress for G1 from 256m to 1g on Solaris x86
Reviewed-by: mgerdin, coleenp, kvn

8016157: During CTW: C2: assert(!def_outside->member(r)) failed: Use of external LRG overlaps the same LRG defined in this block
Summary: Disable rematerialization for negD node
Reviewed-by: kvn, roland

Summary: replace linked data structure with array (performance)
Reviewed-by: kvn
Contributed-by: christian.thalinger@oracle.com, david.r.chase@oracle.com

8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
Summary: Insert extra checks and bailouts for too many nodes
Reviewed-by: kvn

Summary: Simple fix when memory allocation site is gone, NMT should report 0 memory size, instead old memory size.
Reviewed-by: dcubed, ctornqvi

Reviewed-by: sla, rbackman

6493116: JVMTI Doc: GetOwnedMonitorStackDepthInfo has a typo in monitor_info_ptr parameter description
Summary: A typo in the parameter spelling, a bound update missed when the parameter was renamed
Reviewed-by: sla, minqi
Contributed-by: serguei.spitsyn@oracle.com

Summary: Simple fix to add NULL pointer check that can cause segv
Reviewed-by: coleenp, ctornqvi

Reviewed-by: dholmes, coleenp
Contributed-by: jeremymanson@google.com, calvin.cheung@oracle.com

8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
Summary: Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking.
Reviewed-by: zgu, stefank, dholmes, dsamersoff