http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47324
--- Comment #55 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-13 20:29:49 UTC --- It appears that is was present at r162030 and the r162035 used --enable-build-with-cxx... http://gcc.gnu.org/ml/gcc-testresults/2010-07/msg00872.html http://gcc.gnu.org/ml/gcc-testresults/2010-07/msg00898.html which indicates it certainly can go latent.