Re: [Bug libstdc++/44952] New: #include <iostream.h> imply global constructor.

[Andrew Pinski <pinskia at gmail dot com>]

This is expected and iirc required by the c++ standard too.

On Jul 15, 2010, at 8:51 AM, "hubicka at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org 
> wrote:

> Noticed while reading
> http://comments.gmane.org/gmane.comp.web.chromium.devel/16789
>
> evans:/abuild/jh/trunk-install/bin/:[0]# more g.C
> #include <iostream>
> evans:/abuild/jh/trunk-install/bin/:[0]# ./g++  -O2 g.C -S
> evans:/abuild/jh/trunk-install/bin/:[0]# more g.s
>        .file   "g.C"
>        .text
>        .p2align 4,,15
>        .type   _GLOBAL__I_g.C, @function
> _GLOBAL__I_g.C:
> .LFB969:
>        .cfi_startproc
>        subq    $8, %rsp
>        .cfi_def_cfa_offset 16
>        movl    $_ZStL8__ioinit, %edi
>        call    _ZNSt8ios_base4InitC1Ev
>        movl    $__dso_handle, %edx
>        movl    $_ZStL8__ioinit, %esi
>        movl    $_ZNSt8ios_base4InitD1Ev, %edi
>        addq    $8, %rsp
>        .cfi_def_cfa_offset 8
>        jmp     __cxa_atexit
>        .cfi_endproc
> .LFE969:
>
>
> --
>           Summary: #include <iostream.h> imply global constructor.
>           Product: gcc
>           Version: 4.6.0
>            Status: UNCONFIRMED
>          Severity: normal
>          Priority: P3
>         Component: libstdc++
>        AssignedTo: unassigned at gcc dot gnu dot org
>        ReportedBy: hubicka at gcc dot gnu dot org
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44952