commit 3cf21b305104e91a28e4ce3a473672b2e88a9469
author Bram Moolenaar <Bram@vim.org> Tue Jan 11 19:34:16 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Tue Jan 11 19:34:16 2022 +0000
tree d5b68e4647d4250efd549cc76f530bc824c7c882
parent 2284f6cca384e0ccc352bfec7277dc26386cac3d

patch 8.2.4065: computation overflow with large cound for :yank

Problem:    Computation overflow with large cound for :yank.
Solution:   Avoid an overflow.

src/testdir/test_excmd.vim

diff --git a/src/testdir/test_excmd.vim b/src/testdir/test_excmd.vim
index 6f648dd..731e9aa 100644
--- a/src/testdir/test_excmd.vim
+++ b/src/testdir/test_excmd.vim
@@ -704,9 +704,14 @@
     throw 'Skipped: only works with 64 bit long ints'
   endif
   new
-  call setline(1, 'text')
+  call setline(1, range(100))
   call assert_fails('|.44444444444444444444444', 'E1247:')
   call assert_fails('|.9223372036854775806', 'E1247:')
+
+  $
+  yank 77777777777777777777
+  call assert_equal("99\n", @")
+
   bwipe!
 endfunc