patch 9.0.1531: crash when register contents ends up being invalid Commit: https://github.com/vim/vim/commit/d1ae8366aff286d41e7f5bc513cc0a1af5130aad Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 9 17:09:30 2023 +0100 patch 9.0.1531: crash when register contents ends up being invalid Problem: Crash when register contents ends up being invalid. Solution: Check "y_array" is not NULL.

Test that vim9script also works without the +eval feature.

STARTTEST
:/^START/+1,/^END/-1:w! Xvim9
:so Xvim9
ENDTEST

START
vim9script

if 1
  echo 'this is skipped without +eval'
endif

# colon required for a range
:$-1,$w! test.out
qa!
END

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