[Bug fortran/57373] ICE on invalid: insert_bbt(): Duplicate key found!

["bdavis at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57373

Bud Davis <bdavis at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bdavis at gcc dot gnu.org

--- Comment #2 from Bud Davis <bdavis at gcc dot gnu.org> ---
0  0x45f20f60 in exit () from /lib/libc.so.6
#1  0x08161d73 in gfc_internal_error (
    format=0x8b5da50 "insert_bbt(): Duplicate key found!")
    at ../../gcc/gcc/fortran/error.c:1101
#2  0x0813c644 in insert (new_bbt=new_bbt@entry=0x8f844d0, t=0x8f843f0, 
    compare=compare@entry=0x81d5400 <compare_symtree(void*, void*)>)
    at ../../gcc/gcc/fortran/bbt.c:119
#3  0x0813c69c in gfc_insert_bbt (root=0x8fc3410, new_node=0x8f844d0, 
    compare=0x81d5400 <compare_symtree(void*, void*)>)
    at ../../gcc/gcc/fortran/bbt.c:137
#4  0x081d80b1 in gfc_new_symtree (root=0x8fc3410, name=0xbfffe980 "a")
    at ../../gcc/gcc/fortran/symbol.c:2384
#5  0x081500bc in get_proc_name (name=name@entry=0xbfffe980 "a", 
    result=result@entry=0xbfffe978, 
    module_fcn_entry=module_fcn_entry@entry=false)
    at ../../gcc/gcc/fortran/decl.c:943
#6  0x081573db in gfc_match_function_decl ()
    at ../../gcc/gcc/fortran/decl.c:5249
#7  0x081a4a81 in decode_statement () at ../../gcc/gcc/fortran/parse.c:312
#8  0x081a600c in next_free () at ../../gcc/gcc/fortran/parse.c:784
#9  next_statement () at ../../gcc/gcc/fortran/parse.c:977
#10 0x081a6a32 in parse_interface () at ../../gcc/gcc/fortran/parse.c:2384


Is the backtrace in case anyone is interested.