http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59403
--- Comment #2 from Boaz Ben-Zvi <boaz at alum dot mit.edu> --- (In reply to Richard Biener from comment #1) > Are you using precompiled headers? Our project builds some *.gch files for later use; I don't think that the compilation that failed was using any precompiled header.