diff --git a/src/eval.c b/src/eval.c
index 9fbef24..5d8c7c8 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -19845,24 +19845,30 @@
     while (ret == OK
 	    && (**arg == '['
 		|| (**arg == '.' && rettv->v_type == VAR_DICT)
-		|| (**arg == '(' && rettv->v_type == VAR_FUNC))
+		|| (**arg == '(' && (!evaluate || rettv->v_type == VAR_FUNC)))
 	    && !vim_iswhite(*(*arg - 1)))
     {
 	if (**arg == '(')
 	{
 	    /* need to copy the funcref so that we can clear rettv */
-	    functv = *rettv;
-	    rettv->v_type = VAR_UNKNOWN;
+	    if (evaluate)
+	    {
+		functv = *rettv;
+		rettv->v_type = VAR_UNKNOWN;
 
-	    /* Invoke the function.  Recursive! */
-	    s = functv.vval.v_string;
+		/* Invoke the function.  Recursive! */
+		s = functv.vval.v_string;
+	    }
+	    else
+		s = (char_u *)"";
 	    ret = get_func_tv(s, (int)STRLEN(s), rettv, arg,
 			curwin->w_cursor.lnum, curwin->w_cursor.lnum,
 			&len, evaluate, selfdict);
 
 	    /* Clear the funcref afterwards, so that deleting it while
 	     * evaluating the arguments is possible (see test55). */
-	    clear_tv(&functv);
+	    if (evaluate)
+		clear_tv(&functv);
 
 	    /* Stop the expression evaluation when immediately aborting on
 	     * error, or when an interrupt occurred or an exception was thrown
diff --git a/src/testdir/test34.in b/src/testdir/test34.in
index 5abc140..71ee5f6 100644
--- a/src/testdir/test34.in
+++ b/src/testdir/test34.in
@@ -1,6 +1,7 @@
 Test for user functions.
 Also test an <expr> mapping calling a function.
 Also test that a builtin function cannot be replaced.
+Also test for regression when calling arbitrary expression.
 
 STARTTEST
 :so small.vim
@@ -62,7 +63,17 @@
 [(one again:call append(line('$'), max([1, 2, 3]))
 :call extend(g:, {'max': function('min')})
 :call append(line('$'), max([1, 2, 3]))
-:$-7,$w! test.out
+:try
+:    " Regression: the first line below used to throw ?E110: Missing ')'?
+:    " Second is here just to prove that this line is correct when not skipping
+:    " rhs of &&.
+:    $put =(0&&(function('tr'))(1, 2, 3))
+:    $put =(1&&(function('tr'))(1, 2, 3))
+:catch
+:    $put ='!!! Unexpected exception:'
+:    $put =v:exception
+:endtry
+:$-9,$w! test.out
 :delfunc Table
 :delfunc Compute
 :delfunc Expr1
diff --git a/src/testdir/test34.ok b/src/testdir/test34.ok
index 6053812..97995de 100644
--- a/src/testdir/test34.ok
+++ b/src/testdir/test34.ok
@@ -6,3 +6,5 @@
 1. one again
 3
 3
+0
+1
diff --git a/src/version.c b/src/version.c
index af31b47..f4555c7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    86,
+/**/
     85,
 /**/
     84,