commit https://github.com/vim/vim/commit/f71d7b9ee5ceba75f70c30845332ddd728fd16c6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 9 22:14:05 2016 +0200 patch 7.4.2189 Problem: Cannot detect encoding in a fifo. Solution: Extend the stdin way of detecting encoding to fifo. Add a test for detecting encoding on stdin and fifo. (Ken Takata)

Test for Benchmarking RE engine

STARTTEST
:so small.vim
:if !has("reltime") | qa! | endif
:set nocp cpo&vim
:so bench_re_freeze.vim
:call Measure('samples/re.freeze.txt', '\s\+\%#\@<!$', '+5')
:/^" Benchmark/,$w! benchmark.out
:qa!
ENDTEST

" Benchmark_results: