LayoutTests/webgl/1.0.3/151055_asan.html

<style>
    div {
        width: 200px;
        font-size: 20px;
        text-decoration: underline;
    }
</style>
<div id="webtest8" style="direction: rtl; text-align: justify;">
This test passes if it doesn't crash. https://bugs.webkit.org/show_bug.cgi?id=151055.
</div>
<script>

function webtest_fn_3() {
   if (window.testRunner)
       testRunner.dumpAsText();

    var canvas = document.createElement("canvas");
    gl = canvas.getContext("webgl");

    try {
        gl.isBuffer(document.getElementById("webtest8").appendChild(document.createElement("image")).createBuffer())
    } 
    catch(er) { };

    gl.viewport(document.getElementById("webtest8").appendChild(document.createElement("textarea")).cols, 0, 0, 32769);
}
webtest_fn_3();
</script>