See upstream in bug url. PHP 5.6.16 not released yet. Reproducible: Always Upstream patch available: http://git.php.net/?p=php-src.git;a=commit;h=37ed0dafe47fb1053aee7822113bacc1f213337a
Created attachment 415934 [details, diff] From Upstream: Fixes the crash in zend_compile.c Would be nice to be seen this as 5.6.15-r1 or 5.6.14-r1. 5.4, 5.5, 7.0 unaffected.
Created attachment 415938 [details, diff] 5.6.15-r1 patch against php-5.6.15.ebuild
This crashes apache, too. Not good. Fixed in, https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d9454b5d1c5a22855e7c22f30644ba7c8980f923