git: openjdk/loom: fibers: 3 new changesets

[duke]

Changeset: c4a0e038
Author:    Duncan MacGregor <duncan.macgregor at oracle.com>
Date:      2020-09-03 16:08:58 +0000
URL:       https://git.openjdk.java.net/loom/commit/c4a0e038

Enable Continuation basic tests on Graal.

! test/jdk/java/lang/Continuation/Basic.java

Changeset: 6e7c340d
Author:    Duncan MacGregor <duncan.macgregor at oracle.com>
Date:      2020-08-05 17:27:43 +0000
URL:       https://git.openjdk.java.net/loom/commit/6e7c340d

Add a new `currentthread()` intrinsic for Graal.

! src/hotspot/share/jvmci/vmStructs_jvmci.cpp
! src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java
! src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotGraphBuilderPlugins.java
! src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/HotSpotReplacementsUtil.java

Changeset: 3025a0f4
Author:    Duncan MacGregor <duncan.macgregor at oracle.com>
Date:      2020-08-05 17:28:15 +0000
URL:       https://git.openjdk.java.net/loom/commit/3025a0f4

Add configurations to stress test virtual threads with JVMCI.

! test/jdk/java/lang/Thread/virtual/stress/PinALot.java
! test/jdk/java/lang/Thread/virtual/stress/PingPong.java
! test/jdk/java/lang/Thread/virtual/stress/SleepALot.java
! test/jdk/java/lang/Thread/virtual/stress/TimedGet.java
! test/jdk/java/lang/Thread/virtual/stress/YieldALot.java