Add a test for comparison operators.

Author: Crell

Zend/tests/pipe_operator/precedence_comparison.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Pipe binds higher than comparison
+--FILE--
+<?php
+
+function _test1(int $a): int {
+    return $a * 2;
+}
+
+// This will error without the parens,
+// as it will try to compare a closure to an int first.
+$res1 = (5 |> _test1(...)) == 10 ;
+var_dump($res1);
+
+?>
+--EXPECT--
+bool(true)