1 SyntaxError: test/script/basic/es6/let-redeclare-extra.js#35:8<eval>:2:8 Variable "x" has already been declared
   2     let x = 2;
   3         ^
   4 SyntaxError: test/script/basic/es6/let-redeclare-extra.js#35:8<eval>:3:8 Variable "x" has already been declared
   5     var x = 2;
   6         ^
   7 SyntaxError: test/script/basic/es6/let-redeclare-extra.js#35:8<eval>:3:8 Variable "x" has already been declared
   8     let x = undefined;
   9         ^
  10 SyntaxError: test/script/basic/es6/let-redeclare-extra.js#35:8<eval>:2:10 Variable "x" has already been declared
  11     const x = function (){};
  12           ^
  13 SyntaxError: test/script/basic/es6/let-redeclare-extra.js#35:8<eval>:2:8 Variable "a" has already been declared
  14     let a = 2;
  15         ^