[Bug web/82686] Debian sid powerpc64-unknown-linux-gnu 4.13.0-1-powerpc64 bootstrap breaks in stage3 with unexpected requirement for bdw-gc

[dclarke at blastwave dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82686

--- Comment #15 from Dennis Clarke <dclarke at blastwave dot org> ---
The real issue here is libquadmath which seems to be based 
on sources from Sun Microsystems software implementation of
the 128-bit floating point operations. 

see 85440