Please upgrade dev-php/pecl-ssh2 for target php5-6. Reproducible: Always
+*pecl-ssh2-0.12-r2 (29 May 2015) + + 29 May 2015; Brian Evans <grknight@gentoo.org> +pecl-ssh2-0.12-r2.ebuild: + Revbump to add php5.6 support wrt bug 550728