"Cannot be narrowed" build failure(s) — clang 3.5.0

PackageVersionSupposed error messageFull log Bug report
libbitcoin 2.0-2blockchain/organizer.cpp:223:59: error: non-constant-expression cannot be narrowed from type 'int' to 'size_t' (aka 'unsigned long') in initializer list [-Wc++11-narrowing] Log
open-axiom 1.5.0~svn3056+ds-1../../../src/hyper/ht_icon:7:22: error: constant expression evaluates to 247 which cannot be narrowed to type 'char' [-Wc++11-narrowing] Log

2 errors