Reviewed-by: rehn, egahlin

Reviewed-by: neugens
Contributed-by: asemenov@azul.com

8233197: Invert JvmtiExport::post_vm_initialized() and Jfr:on_vm_start() start-up order for correct option parsing
8246703: [TESTBUG] Add test for JDK-8233197
Reviewed-by: aph, adinn, neugens

Reviewed-by: thartmann, kvn, andrew
Contributed-by: zhouyong44@huawei.com

Summary: Various small fixes around strncpy and strncat
Reviewed-by: andrew

Summary: Account for serialized null scopes in NMethod
Reviewed-by: aph, never, andrew

Reviewed-by: coleenp, jbachorik

8150986: serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java failing because expects HPROF JAVA PROFILE 1.0.1 file format
Reviewed-by: dcubed, dsamersoff, andrew

Reviewed-by: aph, andrew

8239852: java/util/concurrent tests fail with -XX:+VerifyGraphEdges: assert(!VerifyGraphEdges) failed: verification should have failed
Summary: Remove an assertion which was too strong for some valid IRs when running with -XX:+VerifyGraphEdges
Reviewed-by: neliasso, thartmann

Reviewed-by: prr, psadhukhan, jdv

Reviewed-by: kvn

Reviewed-by: kvn
Contributed-by: hedongbo@huawei.com

Reviewed-by: mdoerr, apetushkov

Reviewed-by: aph

Summary: Initialize _class_vsm to NULL by default
Reviewed-by: phh
Contributed-by: thomas.stuefe@gmail.com

Summary: Synchronize gcLogFileStream::write/rotate_log
Reviewed-by: adinn, phh, snazarki
Contributed-by: xxinliu@amazon.com

Reviewed-by: andrew

Reviewed-by: rehn, stuefe, dcubed, sspitsyn

Reviewed-by: serb

Reviewed-by: tschatzl, pliden

Summary: small code improvements for increased robustness
Reviewed-by: acorn, coleenp
Contributed-by: michael.haupt@oracle.com