patch 9.0.0947: invalid memory access in substitute with function
Problem: Invalid memory access in substitute with function that goes to
another file.
Solution: Check for text locked in CTRL-W gf.
diff --git a/src/testdir/test_substitute.vim b/src/testdir/test_substitute.vim
index 67df60f..2513223 100644
--- a/src/testdir/test_substitute.vim
+++ b/src/testdir/test_substitute.vim
@@ -1096,6 +1096,25 @@
bwipe!
endfunc
+" This was editing another file from the expression.
+func Test_sub_expr_goto_other_file()
+ call writefile([''], 'Xfileone', 'D')
+ enew!
+ call setline(1, ['a', 'b', 'c', 'd',
+ \ 'Xfileone zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz'])
+
+ func g:SplitGotoFile()
+ exe "sil! norm 0\<C-W>gf"
+ return ''
+ endfunc
+
+ $
+ s/\%')/\=g:SplitGotoFile()
+
+ delfunc g:SplitGotoFile
+ bwipe!
+endfunc
+
" Test for the 2-letter and 3-letter :substitute commands
func Test_substitute_short_cmd()
new