Navigating up the parent hierarchy during CSS processing in a background thread encounters a null parent, causing a NPE.
------------- Commit messages: - Merge remote-tracking branch 'origin/master' into 8348100.tootlip.thread.safety - cleanup - tooltip test - Merge branch '8348423.node.thread.safety' into 8348100.tootlip.thread.safety - Merge remote-tracking branch 'origin/master' into 8348423.node.thread.safety - skip tests - jiggler - tooltip test - better name - fast loop - ... and 7 more: https://git.openjdk.org/jfx/compare/d615fdc7...35aa3a37 Changes: https://git.openjdk.org/jfx/pull/1696/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1696&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8348100 Stats: 51 lines in 2 files changed: 46 ins; 1 del; 4 mod Patch: https://git.openjdk.org/jfx/pull/1696.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1696/head:pull/1696 PR: https://git.openjdk.org/jfx/pull/1696
