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

test/mjsunit/regress/regress-2322.js

Index: test/mjsunit/regress/regress-2322.js
diff --git a/test/mjsunit/regress/regress-113924.js b/test/mjsunit/regress/regress-2322.js
similarity index 95%
copy from test/mjsunit/regress/regress-113924.js
copy to test/mjsunit/regress/regress-2322.js
index 3ecdec48f219b9ea545702ebf3a396debe7a93f8..fd88d5e6424a98480baaf4a5a174a94871529ef9 100644
--- a/test/mjsunit/regress/regress-113924.js
+++ b/test/mjsunit/regress/regress-2322.js
@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-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.

+