[Bug fortran/54107] [4.8 Regression] [F03] Memory hog with abstract interface

[mikael at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54107

--- Comment #35 from Mikael Morin <mikael at gcc dot gnu.org> 2013-02-08 15:13:45 UTC ---
Author: mikael
Date: Fri Feb  8 15:13:32 2013
New Revision: 195890

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195890
Log:
fortran/
    PR fortran/54107
    * trans-types.c (gfc_get_function_type): Change a NULL backend_decl
    to error_mark_node on entry.  Detect recursive types.  Build a variadic
    procedure type if the type is recursive.  Restore the initial
    backend_decl.

testsuite/
    PR fortran/54107
    * gfortran.dg/recursive_interface_2.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/recursive_interface_2.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/trans-types.c
    trunk/gcc/testsuite/ChangeLog