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dslomov@chromium.org authored
They might be undefined for uninitialized iterators. The rest of the code is ready for this eventuality. R=arv@chromium.org, adamk@chromium.org BUG=403292 LOG=N Review URL: https://codereview.chromium.org/468813003 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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