Merge branch 'PHP-7.2'

* PHP-7.2:
  Skip on Travis-CI

ext/gmp/tests/gmp_setbit_long.phpt

@@ -1,6 +1,7 @@
 --TEST--
 gmp_setbit() with large index
 --SKIPIF--
+<?php if (getenv("TRAVIS") === "true") die("skip not suitable for Travis-CI"); ?>
 <?php if (!extension_loaded("gmp")) print "skip"; ?>
 <?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
 <?php if (getenv("SKIP_SLOW_TESTS")) die("skip slow test"); ?>