commit b54c3ff3174dbb5dfbfcabdf95200b047beaa644
author Bram Moolenaar <Bram@vim.org> Sun Jul 31 14:11:58 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Jul 31 14:11:58 2016 +0200
tree a230032c07f9373c65ca64e4b9c237e70b4d6a54
parent fc1f2015e833e69b89b994faf4b2c4fc1e09220f

patch 7.4.2134
Problem:    No error for using function() badly.
Solution:   Check for passing wrong function name. (Ken Takata)

src/eval.c

diff --git a/src/eval.c b/src/eval.c
index 956f05c..cf2c771 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -7813,7 +7813,7 @@
     /* Don't allow hiding a function.  When "v" is not NULL we might be
      * assigning another function to the same var, the type is checked
      * below. */
-    if (new_var && function_exists(name))
+    if (new_var && function_exists(name, FALSE))
     {
 	EMSG2(_("E705: Variable name conflicts with existing function: %s"),
 								    name);