webgl/1.0.4/conformance/textures/misc/texture-with-flip-y-and-premultiply-alpha.html crashes Probably because media is using GPUP without proper support for non-gpup webgl Probably will be fixed once webgl moves to GPUP
At least macOS 11.3, iMacPro1,1, Radeon Pro Vega 56
<rdar://problem/75772902>
*** This bug has been marked as a duplicate of bug 223920 ***