Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
  Fix #77141: Signedness issue in SOAP when precision=-1

diff --cc NEWS
index 090be982a79bba6f849c6ccdf728b0c7b94e8ed0,a31a6fa4f21b8d5f7808c5e93c3d2281a4fe1ea9..14447cb2a4a02b6b15b4b228c9a660ec98c36f0f
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -12,18 -8,14 +12,19 @@@ PH
  
  - Opcache:
    . Fixed bug #77058 (Type inference in opcache causes side effects). (Nikita)
 +  . Fixed bug #77092 (array_diff_key() - segmentation fault). (Nikita)
  
  - SOAP:
 +  . Fixed bug #50675 (SoapClient can't handle object references correctly).
 +    (Cameron Porter)
    . Fixed bug #76348 (WSDL_CACHE_MEMORY causes Segmentation fault). (cmb)
+   . Fixed bug #77141 (Signedness issue in SOAP when precision=-1). (cmb)
  
 -08 Nov 2018, PHP 7.1.24
 +08 Nov 2018, PHP 7.2.12
  
  - Core:
 +  . Fixed bug #76846 (Segfault in shutdown function after memory limit error).
 +    (Nikita)
    . Fixed bug #76946 (Cyclic reference in generator not detected). (Nikita)
    . Fixed bug #77035 (The phpize and ./configure create redundant .deps file).
      (Peter Kokot)

diff --cc ext/soap/php_encoding.c
Simple merge