No point in sitting on the bugfixes for regressions introduced in 2.2.0.

• Bugfix for regression in 2.2.0 involving an error thrown by the compiler in certain cases when using destructuring with a splat or expansion in an array. Fix #4878: Compile error when using destructuring with a splat or expansion in an array #4879
• Bugfix for regression in 2.2.0 where in certain cases a range iterator variable was declared in the global scope. Fix #4882: Range not declaring var for the "i" #4883