[Bug fortran/59198] [4.8/4.9/5 Regression] ICE on cyclically dependent polymorphic types

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59198

--- Comment #19 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The test in comment 0 compiles with revision r172608 (2011-04-17), but r173450
(2011-05-05) gives the ICE.