js/src/jit-test/tests/basic/letTDZAfterInitializer.js


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function throwSomething() {
  throw "something";
}

try {
  // Use eval to force BINDNAME. Should throw "something" instead of the TDZ
  // ReferenceError.
  eval("x = throwSomething()");
  let x;
} catch (e) {
  assertEq(e, "something");
}

try {
  eval("x = 42");
  let x;
} catch (e) {
  assertEq(e instanceof ReferenceError, true);
}