bce8d2ebae
A variable usage analysis pass was run on toplevel and lazily-compiled code but never used. Remove this pass and the data structures it builds. The representation of variable usage for Variables has been changed from a struct containing a (weighted) count of reads and writes to a simple flag. VariableProxies are always used, as before. The unused "object uses" is removed. Review URL: http://codereview.chromium.org/669270 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4052 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 |
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