NASHORN-214.js

/*
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/**
 * NASHORN-214 :  Syntax error thrown instead of ReferenceError when LHS is not assignable
 *
 * @test
 * @option --early-lvalue-error=false
 * @run
 */

print('hello');
try {
    true = 334; // ReferenceError thrown when control reaches here
} catch (e) {
    print(e);
}

x = 'hello';
if (typeof x === 'number') {
    true = 44; // not reached, so no error thrown
} else {
    print('x is not a number');
}