Use malloc attribute, __builtin_expect() and __builtin_types_compatible_p() only with new enough gccs. Patch by Sven Anderson.
Use malloc attribute, __builtin_expect() and __builtin_types_compatible_p()
only with new enough gccs. Patch by Sven Anderson.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot