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Added Discussion for ES.74

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Andrew Pardoe 2015-09-24 09:55:51 -07:00
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@ -7243,6 +7243,10 @@ Avoid using the loop variable for other purposes after the loop.
**Enforcement**: Warn when a variable modified inside the `for`-statement is declared outside the loop and not being used outside the loop.
**Discussion**: Scoping the loop induction variable to the loop body also helps code optimizers greatly. Recognizing that the induction variable
is only accessible in the loop body unblocks optimizations such as hoisting, strength reduction, loop-invariant code motion, etc.
<a name="Res-do"></a>
### ES.75: Avoid `do`-statements