(redisplay_internal, redisplay_windows):

(redisplay_internal, redisplay_windows):
Use list_of_error to call internal_condition_case_1.
(safe_eval, safe_call): Pass Qt to internal_condition_case_{1,2}
so as to catch all errors with no possibility of debugger redisplay.
(list_of_error): New variable.
(syms_of_xdisp): Init and staticpro it.