mdb could handle _Float128 types in 32-bit objects
ISO/IEC TS-18661-3:2015 defines several types with analogues to existing C types. However, in the i386 ABI there is no corresponding type for a _Float128.
Change 13342 proposes to encode this in CTF as a weirdly sized long-double as an interim measure and
mdb currently fails to display this:
> f128::print ??? (unsupported FP format 6 / 128 bits