http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47546
--- Comment #23 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> 2011-03-16 03:01:11 UTC --- Another small piece just before the error message. $ valgrind --leak-check=full f951 pr47546.f90 ==3316== Memcheck, a memory error detector ==3316== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==3316== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info ==3316== Command: f951 pr47546.f90 ==3316== init __copy_hydro_state_State_t speeds_cellpr47546.f90:32.18: use hydro_speeds 1 Internal Error at (1): free_pi_tree(): Unresolved fixup What the heck is that?