hg: valhalla/valhalla: 8225455: [lworld] isSubstitutable0 fails with nullable projection field in -Xint

[mandy.chung at oracle.com]

Changeset: 022b23e86c5f
Author:    mchung
Date:      2019-06-17 20:34 -0700
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/022b23e86c5f

8225455: [lworld] isSubstitutable0 fails with nullable projection field in -Xint

! src/java.base/share/classes/java/lang/invoke/ValueBootstrapMethods.java
! test/jdk/valhalla/valuetypes/ObjectMethods.java