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bug#15294: 24.3.50; js2-mode parser is several times slower in lexical-b


From: Dmitry Gutov
Subject: bug#15294: 24.3.50; js2-mode parser is several times slower in lexical-binding mode
Date: Sun, 15 Sep 2013 03:24:10 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130803 Thunderbird/17.0.8

On 10.09.2013 05:04, Stefan Monnier wrote:
If it indeed comes from the handling of catch/throw, then there are two
ways to fix it:
- ...
- improve the byte-compiler so it can compile away cl-block/cl-return.
   This should not require new byte-codes, but requires delving "deepish"
   into the byte-compiler.

This would take care of `cl-block' wrappers, but it would do nothing about explicit uses of `catch', right?





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