patch 8.2.2537: Vim9: crash when map() fails
Problem: Vim9: crash when map() fails.
Solution: Clear typval before using it. (closes #7884)
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index cb36990..3ee8a62 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -690,6 +690,27 @@
nunmap <F3>
enddef
+def Test_map_failure()
+ CheckFeature job
+
+ var lines =<< trim END
+ vim9script
+ writefile([], 'Xtmpfile')
+ silent e Xtmpfile
+ var d = {[bufnr('%')]: {a: 0}}
+ au BufReadPost * Func()
+ def Func()
+ if d->has_key('')
+ endif
+ eval d[expand('<abuf>')]->mapnew((_, v: dict<job>) => 0)
+ enddef
+ e
+ END
+ CheckScriptFailure(lines, 'E1013:')
+ au! BufReadPost
+ delete('Xtmpfile')
+enddef
+
def Test_max()
g:flag = true
var l1: list<number> = g:flag