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

[janus at gcc dot gnu.org]

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

--- Comment #12 from janus at gcc dot gnu.org 2013-01-25 14:43:51 UTC ---
Created attachment 29274
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29274
patch v2

Here is an updated version of Mikael's patch, which is free of testsuite
regressions.


It fixes comment #0, but fails with a very strange backtrace on comment 4:

gfortran-4.8: internal compiler error: Segmentation fault (program f951)
0x4069a3 execute
        /home/jweil/gcc48/trunk/gcc/gcc.c:2789
0x40adb1 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:4581
0x40e36e process_brace_body
        /home/jweil/gcc48/trunk/gcc/gcc.c:5838
0x40e18a handle_braces
        /home/jweil/gcc48/trunk/gcc/gcc.c:5752
0x40ce19 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:5235
0x40e36e process_brace_body
        /home/jweil/gcc48/trunk/gcc/gcc.c:5838
0x40e18a handle_braces
        /home/jweil/gcc48/trunk/gcc/gcc.c:5752
0x40ce19 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:5235
0x40d225 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:5340
0x40e36e process_brace_body
        /home/jweil/gcc48/trunk/gcc/gcc.c:5838
0x40e18a handle_braces
        /home/jweil/gcc48/trunk/gcc/gcc.c:5752
0x40ce19 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:5235
0x40e36e process_brace_body
        /home/jweil/gcc48/trunk/gcc/gcc.c:5838
0x40e18a handle_braces
        /home/jweil/gcc48/trunk/gcc/gcc.c:5752
0x40ce19 do_spec_1
        /home/jweil/gcc48/trunk/gcc/gcc.c:5235
0x40a40b do_spec_2
        /home/jweil/gcc48/trunk/gcc/gcc.c:4282
0x40a329 do_spec(char const*)
        /home/jweil/gcc48/trunk/gcc/gcc.c:4249