hg: jdk-updates/jdk11u-dev: 8238190: [JVMCI] Fix single implementor speculation for diamond shapes.

[goetz.lindenmaier at sap.com]

Changeset: 8c51f5c8eae8
Author:    dnsimon
Date:      2020-02-04 09:33 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/8c51f5c8eae8

8238190: [JVMCI] Fix single implementor speculation for diamond shapes.
Reviewed-by: kvn
Contributed-by: david.leopoldseder at oracle.com

! src/hotspot/share/oops/instanceKlass.cpp
+ test/hotspot/jtreg/compiler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/TestSingleImplementor.java