------- Comment #2 from rguenth at gcc dot gnu dot org 2009-03-10 11:24 ------- You need to make sure to include the pch only from the toplevel source. Otherwise interesting things may happen. A convenient way to do so is to include the pch via the -include command-line option.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39420
