hg: jdk/jdk: 2 new changesets

[coleen.phillimore at oracle.com]

Changeset: a595e67d6683
Author:    coleenp
Date:      2019-09-30 13:10 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/a595e67d6683

8184732: Deadlock detection improvements for 'special' locks
Summary: Assert that special ranked locks cannot safepoint and allow_vm_block and remove locks from the exceptional lock list in no_safepoint_verifier.
Reviewed-by: dholmes, eosterlund

! src/hotspot/share/oops/instanceKlass.cpp
! src/hotspot/share/prims/whitebox.cpp
! src/hotspot/share/runtime/mutex.cpp
! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/vmThread.cpp
+ test/hotspot/jtreg/runtime/Safepoint/NoSafepointVerifier.java
! test/lib/sun/hotspot/WhiteBox.java

Changeset: a074e637aeee
Author:    coleenp
Date:      2019-09-30 13:22 -0400
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/a074e637aeee

Merge