updated for version 7.2.440
Problem:    Calling a function through a funcref, where the function deletes
            the funcref, leads to an invalid memory access.
Solution:   Make a copy of the function name. (Lech Lorens)
diff --git a/src/testdir/test34.in b/src/testdir/test34.in
index 5eef715..28fd00c 100644
--- a/src/testdir/test34.in
+++ b/src/testdir/test34.in
@@ -35,6 +35,11 @@
 :  let g:counter = 0
 :  return ''
 :endfunc
+:func FuncWithRef(a)
+:  unlet g:FuncRef
+:  return a:a
+:endfunc
+:let g:FuncRef=function("FuncWithRef")
 :let counter = 0
 :inoremap <expr> ( ListItem()
 :inoremap <expr> [ ListReset()
@@ -47,6 +52,7 @@
  =retval
  =Compute(45, 5, "retval")
  =retval
+ =g:FuncRef(333)
 
 XX+-XX
 ---*---