Reject uses of lexical for-loop variable on the RHS.

test/mjsunit/regress/regress-2322.js

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-var count=12000;
-while(count--) {
-  eval("var a = new Object(10); a[2] += 7;");
-}
+// Flags: --harmony-scoping
+
+assertThrows("for (let x in x);", SyntaxError);

[Michael Starzinger, 2012/10/05 08:42:36]

You probably want to add 'use strict' to this test case, to make sure that the
original problem repros.

[rossberg, 2012/10/05 09:15:02]

Indeed.

+