Cannot be narrowed - Rebuild of the Debian archive with clang

"Cannot be narrowed" build failure(s)
clang 3.6.0

Versions: 2.9 - 3.0 - 3.1 - 3.2 - 3.3 - 3.4 - 3.4.2 - 3.5.0 - 3.6.0 - 3.8.1 - 3.9.1 - 4.0.1 - 5.0 - 6.0 - 8.0.1 - 9.0.1 - 10.0.0 - 11.0.0 - 12.0.1 - 13.0.0

Package	Version	Supposed error message	Full log
extundelete	0.2.4-1	extundelete.cc:1271:28: error: non-constant-expression cannot be narrowed from type 'int' to 'ext2_ino_t' (aka 'unsigned int') in initializer list [-Wc++11-narrowing]	Log
libbitcoin	2.0-2.2	blockchain/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

3 errors

Debian Package rebuild