[Bug fortran/54730] ICE in gfc_typenode_for_spec, at fortran/trans-types.c:1066

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54730



--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-09-27 
21:43:23 UTC ---

The ICE occurs at



tree

gfc_typenode_for_spec (gfc_typespec * spec)

{

  tree basetype;



  switch (spec->type)

    {

    case BT_UNKNOWN:

      gcc_unreachable ();

...



and disappears if "real(a = 1)" is replaced with "real(1)".