bug#14769: 24.3.50; [PATCH] optimize `concat's literals

[Shigeru Fukaya]

Current bytecode optimizer works only when all arguments are
constants.

With the attached small patch, adjacent successive literal arguments
of `concat' will become optimized to a string respectively.

        Make successive literals of `concat' optimized to a string.
        * byte-opt.el (byte-optimize-form-code-walker): call
        byte-optimize-concat-args for `concat'.
        (byte-optimize-concat-args): New function.

Regards,
Shigeru

byte-opt.patch
Description: Binary data