" implicit conversions" build failure(s) — clang 12.0.1

PackageVersionSupposed error messageFull log Bug report
cmt 1.18-1disintegrator.cpp:88:28: error: implicit conversion from 'int' to 'float' changes value from 2147483647 to 2147483648 [-Werror,-Wimplicit-const-int-float-conversion] Log
ironseed 0.3.6-5c_utils.c:582:30: error: implicit conversion loses integer precision: 'SDLKey' to 'uint16_t' (aka 'unsigned short') [-Werror,-Wimplicit-int-conversion] Log
jellyfish 2.3.0-12lib/jsoncpp.cpp:2303:74: error: implicit conversion from 'const Json::Int64' (aka 'const long long') to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Werror,-Wimplicit-const-int-float-conversion] Log 749136
rttr 0.9.6+dfsg1-4number_conversion.h:137:16: error: implicit conversion from 'int' to 'float' changes value from 2147483647 to 2147483648 [-Werror,-Wimplicit-const-int-float-conversion] Log

4 errors