patch 8.2.4969: changing text in Visual mode may cause invalid memory access
Problem: Changing text in Visual mode may cause invalid memory access.
Solution: Check the Visual position after making a change.
diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
index abc8265..c323062 100644
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -1296,6 +1296,16 @@
set isprint&
endfunc
+func Test_visual_block_with_substitute()
+ " this was reading beyond the end of the line
+ new
+ norm a0)
+ sil! norm O
+ s/)
+ sil! norm
+ bwipe!
+endfunc
+
func Test_visual_reselect_with_count()
" this was causing an illegal memory access
let lines =<< trim END