http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47546
--- Comment #10 from janus at gcc dot gnu.org 2011-02-02 20:15:07 UTC --- (In reply to comment #9) > Sounds like a Heisenbug -- it goes away when you look for it. Would it be > worth > bringing valgrind into the picture? Maybe. Could you try if it gives any useful output? Also: Can you reproduce the error with my reduced test case in comment #8? A different thought: Since 4.5 gives on the same test case mio_component_ref(): Component not found it may be related to PR45827.