Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Fix #77479: imagewbmp() segfaults with very large images

diff --cc NEWS
index 228c371c3ed2fc08e9103fee0a7afa6d26767359,31e73b5ecc0691f9f74f4fceec93fe048b7e8f60..f6681d5645f7fa242a1dc9e24d2bb2e2f63b4d19
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -34,10 -14,9 +34,11 @@@ PH
    . Fixed bug #73614 (gdImageFilledArc() doesn't properly draw pies). (cmb)
    . Fixed bug #77272 (imagescale() may return image resource on failure). (cmb)
    . Fixed bug #77391 (1bpp BMPs may fail to be loaded). (Romain Déoux, cmb)
+   . Fixed bug #77479 (imagewbmp() segfaults with very large images). (cmb)
  
  - Mbstring:
 +  . Fixed bug #77428 (mb_ereg_replace() doesn't replace a substitution
 +    variable). (Nikita)
    . Fixed bug #77454 (mb_scrub() silently truncates after a null byte).
      (64796c6e69 at gmail dot com)