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References: <bug-44827-19403@http.gcc.gnu.org/bugzilla/>
Subject: [Bug c++/44827] g++4.3.4 segfaults when using boost::intrusive::list
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------- Comment #6 from davek at gcc dot gnu dot org  2010-07-11 12:56 -------
(In reply to comment #5)
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000000006f25bd in lvalue_p_1 (ref=0x7ffff0c4fb98) at
> ../../gcc-4.x/gcc/cp/tree.c:71
> 71        if (TREE_CODE (TREE_TYPE (ref)) == REFERENCE_TYPE)
> 

  I don't even know what a one of these is:

(gdb) call debug_tree (ref)
 <baselink 0x7fbc4880
    type <lang_type 0x7ff7e580 unknown type type <lang_type 0x7ff7e580 unknown
type>
        VOID
        align 1 symtab 0 alias set -1 canonical type 0x7ff7e580
        pointer_to_this <lang_type 0x7ff7e580 unknown type> reference_to_this
<lang_type 0x7ff7e580 unknown type>>

    functions <template_id_expr 0x7fbc48a0
        arg 0 <overload 0x7fb540c8 type <lang_type 0x7ff7e580 unknown type>
            function <template_decl 0x7fb43e20 delete_disposer>>
        arg 1 <tree_vec 0x7fb54968 elt 0 <record_type 0x7fd148c0 A>>>
    binfo <tree_binfo 0x7fc973f0
        type <record_type 0x7fd1b1c0 data_holder addressable needs-constructing
type_4 type_5 type_6 BLK
            size <integer_cst 0x7fef09c0 constant 96>
            unit size <integer_cst 0x7fef09d8 constant 12>
            align 32 symtab 0 alias set -1 canonical type 0x7fd1b1c0 fields
<field_decl 0x7fb36ea0 a>
            full-name "struct data_holder"
            needs-constructor needs-destructor X() X(constX&) this=(X&)
n_parents=0 use_template=0 interface-unknown
            pointer_to_this <pointer_type 0x7fb37380> chain <type_decl
0x7fcecef0 data_holder>>
        private> access_binfo <tree_binfo 0x7fc973f0>>
(gdb)

  This needs a C++ FE maintainer to take a look.


-- 

davek at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2010-07-05 23:26:24         |2010-07-11 12:56:24
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44827