master updated (10a0941 -> 3f990c3)

[Mattias Engdegård]

mattiase pushed a change to branch master.

      from  10a0941   ; Revert "; Add a note about a bottleneck"
       new  fb63a64   Mark more functions pure (bug#42147)
       new  3f990c3   Simplify byte-code optimisation of pure functions


Summary of changes:
 lisp/emacs-lisp/byte-opt.el | 106 +++++++++++++++++++++++---------------------
 1 file changed, 56 insertions(+), 50 deletions(-)