patch 8.2.1426: Vim9: cannot call autoload function in :def function
Problem: Vim9: cannot call autoload function in :def function.
Solution: Load the autoload script. (closes #6690)
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 22ac442..3d16053 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1752,6 +1752,21 @@
"vim9script",
"let x = substitute ('x', 'x', 'x', 'x')"
], 'E121:')
+
+ let auto_lines =<< trim END
+ def g:some#func(): string
+ return 'found'
+ enddef
+ END
+ mkdir('Xruntime/autoload', 'p')
+ writefile(auto_lines, 'Xruntime/autoload/some.vim')
+ let save_rtp = &rtp
+ &rtp = getcwd() .. '/Xruntime,' .. &rtp
+ assert_equal('found', g:some#func())
+ assert_equal('found', some#func())
+
+ &rtp = save_rtp
+ delete('Xruntime', 'rf')
enddef