re PR fortran/25392 (ICEs with -ff2c)

re PR fortran/25392 (ICEs with -ff2c)

PR fortran/25392
fortran/
* trans-stmt.c (gfc_trans_return): Fix comment formatting.
* trans-types.c (gfc_sym_type): Don't return early for functions.
Remove special handling for -ff2c.
(gfc_get_function_type): Add special handling for -ff2c.
* trans-decl.c (gfc_create_function_decl): Fix comment formatting.
(gfc_get_fake_result_decl): Make sure we get the right type for
functions.
(gfc_generate_function_code): Convert type of result variable to
type of function.
testsuite/
* gfortran.dg/f2c_8.f90: New test.

From-SVN: r120099