http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47032
David Edelsohn <dje at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2010.12.21 17:07:47 Ever Confirmed|0 |1 --- Comment #2 from David Edelsohn <dje at gcc dot gnu.org> 2010-12-21 17:07:47 UTC --- This is an interaction / assumption problem between the target (AIX) and libgfortran. libgfortran previously built with GCC 4.4 s, this is a regression because libgfortran is relying on more OS features without providing an alternative. And disabling all long double support (which works in G++) or disabling libgfortran on AIX because of this issue seems like a bad options.