branch scratch/handler-bind created (now 26b7078705a)

[Stefan Monnier]

monnier pushed a change to branch scratch/handler-bind.

        at  26b7078705a (backtrace-on-redisplay-error): Use `handler-bind`

This branch includes the following new commits:

       new  ae21819496a ert.el: Use `handler-bind` to record backtraces
       new  89a298b3d2f Fix ert-tests.el for the new `handler-bind` code
       new  1c1d2eb3e38 Use handler-bind to repair bytecomp-tests
       new  dcf7508c947 emacs-module-tests.el 
(mod-test-non-local-exit-signal-test): Repair test
       new  917596160c1 startup.el: Use `handler-bind` to implement 
`--debug-init`
       new  6a57b9151b1 Move batch backtrace code to `top_level_2`
       new  634bf619476 (macroexp--with-extended-form-stack): Use plain `let`
       new  c89b234405f eval.c: Add new var `lisp-eval-depth-reserve`
       new  b925152bffc (signal_or_quit): Preserve error object identity
       new  26b7078705a (backtrace-on-redisplay-error): Use `handler-bind`