js/src/jit-test/tests/collections/bug-1887939-2.js


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// |jit-test| --enable-symbols-as-weakmap-keys; skip-if: getBuildConfiguration("release_or_beta")
var map = new WeakMap();
try {
  map.set(1, 1);
} catch (e) {
  assertEq(!!e.message.match(/an unregistered symbol/), true);
}