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828335a879
With the old representation of local variables, optimize_info_lookup had to search the stack for the frame with the information about the variable. This was complicated so it has many flags to be used in different situations and extract different kind of information. With the new representation this process is easier, so it's possible to split the function into a few smaller functions with an easier control flow. In particular, this is useful to avoid marking a variable as used inside a lambda when the reference in immediately reduced to a constant using the type information. |
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This is the source code for the main Racket distribution. See "INSTALL.txt" for information on building Racket. License ------- Racket Copyright (c) 2010-2016 PLT Design Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This implies that you may link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular states that you must release the source code for the modified software. See racket/src/COPYING_LESSER.txt for more information.