patch 8.1.1863: confusing error when using a builtin function as method
Problem: Confusing error when using a builtin function as method while it
does not support that.
Solution: Add a specific error message.
diff --git a/src/testdir/test_method.vim b/src/testdir/test_method.vim
index 98c07fe..ba13bb4 100644
--- a/src/testdir/test_method.vim
+++ b/src/testdir/test_method.vim
@@ -134,3 +134,7 @@
" todo: lambda accepts more arguments than it consumes
" call assert_fails('eval "text"->{x -> x .. " extended"}("more")', 'E99:')
endfunc
+
+func Test_method_not_supported()
+ call assert_fails('eval 123->changenr()', 'E276:')
+endfunc