MFC r274618,r276521:
MFC Note: text corrected for r274618
r274618:
Add reachover Makefiles for contrib/netbsd-tests/lib/msun A variant of this code has been tested on amd64/i386 for some time by EMC/Isilon on 10-STABLE/11-CURRENT. It builds on other architectures, but the code will remain off until it's proven it works on virtual hardware or real hardware on other architectures Sponsored by: EMC / Isilon Storage Division
r276521:
Reset errno in :scalbnf_val and :scalbnl_val before running the tests so the tested errno isn't stale This was needed in order for the test to pass on amd64 with stable/10