hg: jdk-updates/jdk15u: 8250548: libgraal can deadlock in -Xcomp mode

[vladimir.kozlov at oracle.com]

Changeset: f7f4fd8f0979
Author:    dnsimon
Date:      2020-07-25 08:41 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/f7f4fd8f0979

8250548: libgraal can deadlock in -Xcomp mode
Reviewed-by: never, kvn

! src/hotspot/share/compiler/compileBroker.cpp