[Bug libstdc++/44952] New: #include imply global constructor.

[hubicka at gcc dot gnu dot org]

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