js/src/jit-test/tests/collections/bug-1863391-1.js


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// |jit-test| --enable-symbols-as-weakmap-keys; skip-if: helperThreadCount() === 0 || getBuildConfiguration("release_or_beta")
evalInWorker(`
  a = new WeakMap
  b = Symbol
  a.set(b )
  c = b.hasInstance;
  a.get(c)
`);