JuliaLang/julia — pull request #5780 by simonster (2014-02-12 20:02:20+00:00)
Title: Minor Dict-related performance enhancements

- Call `box` on ccall arguments in `bitmix`. Ironically this seems to be necessary to prevent the arguments from getting boxed.
- Use `ifelse` for NaN check when hashing Float32/Float64