patch 8.1.0963: illegal memory access when using 'incsearch'
Problem: Illegal memory access when using 'incsearch'.
Solution: Reset highlight_match when changing text. (closes #4022)
diff --git a/src/testdir/test_search.vim b/src/testdir/test_search.vim
index 0dfea49..5c8c2a3 100644
--- a/src/testdir/test_search.vim
+++ b/src/testdir/test_search.vim
@@ -981,6 +981,30 @@
call delete('Xis_subst_script')
endfunc
+func Test_incsearch_with_change()
+ if !has('timers') || !exists('+incsearch') || !CanRunVimInTerminal()
+ return
+ endif
+
+ call writefile([
+ \ 'set incsearch hlsearch scrolloff=0',
+ \ 'call setline(1, ["one", "two ------ X", "three"])',
+ \ 'call timer_start(200, { _ -> setline(2, "x")})',
+ \ ], 'Xis_change_script')
+ let buf = RunVimInTerminal('-S Xis_change_script', {'rows': 9, 'cols': 70})
+ " Give Vim a chance to redraw to get rid of the spaces in line 2 caused by
+ " the 'ambiwidth' check.
+ sleep 100m
+
+ " Highlight X, it will be deleted by the timer callback.
+ call term_sendkeys(buf, ':%s/X')
+ call VerifyScreenDump(buf, 'Test_incsearch_change_01', {})
+ call term_sendkeys(buf, "\<Esc>")
+
+ call StopVimInTerminal(buf)
+ call delete('Xis_change_script')
+endfunc
+
" Similar to Test_incsearch_substitute_dump() for :sort
func Test_incsearch_sort_dump()
if !exists('+incsearch')