patch 8.0.0398: illegal memory access with "t" commit https://github.com/vim/vim/commit/66727e16079fbac6db3897b5c3736ec9fba995bb Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 1 22:17:05 2017 +0100 patch 8.0.0398: illegal memory access with "t" Problem: Illegal memory access with "t". Solution: Use strncmp() instead of memcmp(). (Dominique Pelle, closes https://github.com/vim/vim/issues/1528)

Test for search('multi-byte char', 'bce')

STARTTEST
:source small.vim
:source mbyte.vim
:set encoding=utf-8
:/^Test bce:/+1
:$put =search('Ａ', 'bce', line('.'))
:1;/^Results:/,$wq! test.out
ENDTEST

Results:

Test bce:
Ａ