Bug 231475 does not depend on any open bugs.

Bug 231475 blocks 2 open bugs:

•    231475: REGRESSION (iOS 15), safari604.1: Could not link the shader program [RESOLVED FIXED; assigned to kpiddington]
  •    231180: ANGLE Metal backend regressions metabug [NEW; assigned to webkit-unassigned]
    •    237533: iOS/iPad 15.3.1 slow drawElements with TRIANGLE_FAN mode [NEW; assigned to webkit-unassigned]