patch 8.1.0868: crash if triggering garbage collector after a function call commit https://github.com/vim/vim/commit/889da2f2438c8168f9a25dc776360b81109bad44 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 2 14:02:30 2019 +0100 patch 8.1.0868: crash if triggering garbage collector after a function call Problem: Crash if triggering garbage collector after a function call. (Michael Henry) Solution: Don't call the garbage collector right away, do it later. (closes #3894)

"Test for benchmarking the RE engine

so small.vim
if !has("reltime") | finish | endif
func! Measure(file, pattern, arg)
	for re in range(3)
	    let sstart=reltime()
	    let cmd=printf("../vim -u NONE -N --cmd ':set re=%d'".
		\ " -c 'call search(\"%s\", \"\", \"\", 10000)' -c ':q!' %s", re, escape(a:pattern, '\\'), empty(a:arg) ? '' : a:arg)
	    call system(cmd. ' '. a:file)
	    $put =printf('file: %s, re: %d, time: %s', a:file, re, reltimestr(reltime(sstart)))
	endfor
endfunc