http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50410
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-09-18 18:20:57 UTC --- The problem for the code in comment #2 seems different: it gives a segmentation fault with 4.6.1 and trunk and an ICE with 4.4.6 and 4.5.3: f951: internal compiler error: in formalize_structure_cons, at fortran/data.c:(756|755) g95 gives the following error In file pr50410_1.f90:5 data u%g /2/ 1 Error: Variable 'u' at (1) already has an initialization