1 files changed, 27 insertions, 0 deletions
diff --git a/layout/forms/crashtests/1212688.html b/layout/forms/crashtests/1212688.html
new file mode 100644
index 000000000..68262d907
--- /dev/null
+++ b/layout/forms/crashtests/1212688.html
@@ -0,0 +1,27 @@
+<style type="text/css">
+	optgroup {overflow-x: hidden;}
+</style>
+<select>
+  <optgroup label="optgroup">
+  <option>1</option>
+  <option>2</option>
+  <option>3</option>
+  <option>4</option>
+  <option>5</option>
+  <option>6</option>
+  <option>7</option>
+  <option>8</option>
+  <option>9</option>
+  <option>10</option>
+  <option>11</option>
+  <option>12</option>
+  <option>13</option>
+  <option>14</option>
+  <option>15</option>
+  <option>16</option>
+  <option>17</option>
+  <option>18</option>
+  <option>19</option>
+  <option>20</option>
+</optgroup>
+</select>