http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&group=%40ToT%20GPU%20Mesa%20-%20chromium.org&tests=fast%2Fcanvas%2Fwebgl%2Fgl-enable-enum-test.html Appears to be happening since WebKit r91640 / Chrome r93811 and crashing about every 7 or 8 runs on Linux only.
*** This bug has been marked as a duplicate of bug 65063 ***