[Bug fortran/59589] Memory leak when deallocating polymorphic

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59589

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
The test also succeeds on x86_64-apple-darwin13 (clean r206033 or heavily
patched r206191) when compiled with -fsanitize=leak.