updated for version 7.4.265

Problem:    Can't call a global function with "g:" in an expression.
Solution:   Skip the "g:" when looking up the function.

src/eval.c

@@ -8485,33 +8485,39 @@ call_func(funcname, len, rettv, argcount, argvars, firstline, lastline,
     /* execute the function if no errors detected and executing */
     if (evaluate && error == ERROR_NONE)
     {
+	char_u *rfname = fname;
+
+	/* Ignore "g:" before a function name. */
+	if (fname[0] == 'g' && fname[1] == ':')
+	    rfname = fname + 2;
+
 	rettv->v_type = VAR_NUMBER;	/* default rettv is number zero */
 	rettv->vval.v_number = 0;
 	error = ERROR_UNKNOWN;
 
-	if (!builtin_function(fname, -1))
+	if (!builtin_function(rfname, -1))
 	{
 	    /*
 	     * User defined function.
 	     */
-	    fp = find_func(fname);
+	    fp = find_func(rfname);
 
 #ifdef FEAT_AUTOCMD
 	    /* Trigger FuncUndefined event, may load the function. */
 	    if (fp == NULL
 		    && apply_autocmds(EVENT_FUNCUNDEFINED,
-						     fname, fname, TRUE, NULL)
+						     rfname, rfname, TRUE, NULL)
 		    && !aborting())
 	    {
 		/* executed an autocommand, search for the function again */
-		fp = find_func(fname);
+		fp = find_func(rfname);
 	    }
 #endif
 	    /* Try loading a package. */
-	    if (fp == NULL && script_autoload(fname, TRUE) && !aborting())
+	    if (fp == NULL && script_autoload(rfname, TRUE) && !aborting())
 	    {
 		/* loaded a package, search for the function again */
-		fp = find_func(fname);
+		fp = find_func(rfname);
 	    }
 
 	    if (fp != NULL)

src/testdir/test_eval.in

@@ -172,11 +172,13 @@ endfun
 :endtry
 :"
 :" function name starting with/without "g:", buffer-local funcref.
-:function! g:Foo()
-:  $put ='called Foo()'
+:function! g:Foo(n)
+:  $put ='called Foo(' . a:n . ')'
 :endfunction
 :let b:my_func = function('Foo')
-:call b:my_func()
+:call b:my_func(1)
+:echo g:Foo(2)
+:echo Foo(3)
 :"
 :/^start:/+1,$wq! test.out
 :" vim: et ts=4 isk-=\: fmr=???,???

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    265,
 /**/
     264,
 /**/