Root cause : CWarningWindow creates a MTLLayer with null peer. In MTLLayer.replaceSurfaceData() method, insets should be set only if peer is not null.
Fix : Added the required null check. ------------- Commit messages: - set native insets only if peer is not null Changes: https://git.openjdk.java.net/jdk/pull/3086/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3086&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8263488 Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/3086.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3086/head:pull/3086 PR: https://git.openjdk.java.net/jdk/pull/3086
