js/src/jit-test/tests/parser/redeclaration-message.js


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var aVar = 56;
try {
    console.log(aLet);
    let aLet = 56;
    // We cannot add `caught` variable on the toplevel for this testcase.
    // We use assertEq here to catch non-throwing case.
    assertEq(true, false);
} catch (e) {
    assertEq(e.message, "can't access lexical declaration 'aLet' before initialization");
}