Canvas2D: Clip mask isn't using the stencil?

README.md

Canvas2D: Clip mask isn't using the stencil?

view on jsgist

index.css

canvas { 
  image-rendering: pixelated;
  width: 640px;
  height: 640px;
}

index.html

<canvas width="32" height="32"></canvas>

index.js

  const ctx = document.querySelector("canvas").getContext("2d");

  ctx.beginPath();
  ctx.arc(16, 16, 10, 0, Math.PI * 2, true);
  ctx.clip();

  ctx.fillStyle = '#f00';
  ctx.fillRect(0, 0, 64, 64);

jsGist.json

{"name":"Canvas2D: Clip mask isn't using the stencil?","settings":{},"filenames":["index.html","index.css","index.js"]}