Comment #3 on issue 4255 by [email protected]: Let variables are inconsistently allocated, causing crash on OSR.
https://code.google.com/p/v8/issues/detail?id=4255#c3

The following revision refers to this bug:
https://chromium.googlesource.com/v8/v8.git/+/972beef14ce917512399d3652c9456f013779438

commit 972beef14ce917512399d3652c9456f013779438
Author: yangguo <[email protected]>
Date: Mon Jun 29 16:16:05 2015

Parse eagerly inside block scopes.

Only this way we can precisely determine how to allocate let variables
inside the scope.

[email protected]
BUG=v8:4255
LOG=N

Review URL: https://codereview.chromium.org/1216013002

Cr-Commit-Position: refs/heads/master@{#29354}

[modify] http://crrev.com/972beef14ce917512399d3652c9456f013779438/src/parser.cc [modify] http://crrev.com/972beef14ce917512399d3652c9456f013779438/src/preparser.h [modify] http://crrev.com/972beef14ce917512399d3652c9456f013779438/src/scopes.cc [modify] http://crrev.com/972beef14ce917512399d3652c9456f013779438/src/scopes.h [add] http://crrev.com/972beef14ce917512399d3652c9456f013779438/test/mjsunit/regress/regress-4255-1.js [add] http://crrev.com/972beef14ce917512399d3652c9456f013779438/test/mjsunit/regress/regress-4255-2.js [add] http://crrev.com/972beef14ce917512399d3652c9456f013779438/test/mjsunit/regress/regress-4255-3.js [add] http://crrev.com/972beef14ce917512399d3652c9456f013779438/test/mjsunit/regress/regress-4255-4.js


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