Cocoa GraphicsContextGLOpenGL should be more robust in destruction and presentation when the context is invalid When the context creation is aborted mid-way, some fields are not used.
Created attachment 439589 [details] Patch
Committed r283299 (242324@main): <https://commits.webkit.org/242324@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 439589 [details].
<rdar://problem/83703895>