https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66509
--- Comment #21 from Jack Howarth <howarth.at.gcc at gmail dot com> --- Should we back-port this fix for gcc 5.2.0 as its current gcc/configure errornously fails the filds and fildq test for 64-bit with both the legacy GNU assembler and the clang-based assembler?
