Pretty sure this is legit. Updated GMP to 5.1 and ppl fails emerge Attaching info Reproducible: Always
*** This bug has been marked as a duplicate of bug 447928 ***
Created attachment 332812 [details] build.log
Created attachment 332814 [details] env
Created attachment 332816 [details] pqv
Created attachment 332818 [details] info
its a dup, but i'll post my info