[Bug bootstrap/57438] bootstrap fails on x86_64 darwin in stage2 linking cc1

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57438

--- Comment #18 from Jack Howarth <howarth at nitro dot med.uc.edu> ---
Do we have any idea why this problem is latent with --checking=release and
--checking=yes but is triggered by --disable-checking?