hg: jdk/sandbox: 8204199: Test fails after 8202670 Graal update

[chris.hegarty at oracle.com]

Changeset: 64e4b1686141
Author:    dlong
Date:      2018-06-06 09:37 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/64e4b1686141

8204199: Test fails after 8202670 Graal update
Reviewed-by: thartmann, kvn

! src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/java/UnsafeCompareAndExchangeNode.java
! src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.jdk9.test/src/org/graalvm/compiler/replacements/jdk9/UnsafeReplacementsTest.java