WebGL DEPTH and STENCIL_ATTACHMENT overwrite deletes DEPTH_STENCIL_ATTACHMENT object prematurely
<rdar://problem/114317226>
Pull request: https://github.com/WebKit/WebKit/pull/16970
Committed 267422@main (491458f894ee): <https://commits.webkit.org/267422@main> Reviewed commits have been landed. Closing PR #16970 and removing active labels.