Commit c9bead8acbc for php.net

commit c9bead8acbcee93cecaa21698d335bfdfa76e401
Author: Weilin Du <weilindu@php.net>
Date:   Sun Jul 19 08:11:03 2026 +0800

    [skip ci] UPGRADING: update several missing entries for GMP fixes

    update UPGRADING entries for #22798 and #22656

diff --git a/UPGRADING b/UPGRADING
index 145f2239b56..1b7cda4b861 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -42,6 +42,12 @@ PHP 8.6 UPGRADE NOTES
   . imagesetstyle(), imagefilter() and imagecrop() filter their array arguments
     types / values and raise a TypeError / ValueError accordingly.

+- GMP:
+  . GMP power and shift operators now throw ValueError when GMP right operands
+    are outside the unsigned long range, instead of silently truncating them.
+  . GMP integer string parsing now throw ValueError strings containing NUL
+    bytes, instead of silently truncating them.
+
 - Intl:
   . Passing a non-stringable object as a time zone to Intl APIs that accept
     time zone objects or strings now raises a TypeError instead of an Error.