[Bug other/46745] New: '#'mem_ref' not supported by dump_expr#<expression error>'

[Bug other/46745] New: '#'mem_ref' not supported by dump_expr#<expression error>'

[marc.glisse at normalesup dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46745

           Summary: '#'mem_ref' not supported by dump_expr#<expression
                    error>'
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: marc.glisse@normalesup.org


Created attachment 22586
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22586
testcase

Hello,

with the attached testcase, I currently get (-Wall -O1):

a.cc: In member function 'void CGAL::Envelope_divide_and_conquer_2<Traits_,
Diagram_>::_construct_envelope_non_vertical(CGAL::Envelope_divide_and_conquer_2<Traits_,
Diagram_>::Curve_pointer_iterator, CGAL::Envelope_divide_and_conquer_2<Traits_,
Diagram_>::Curve_pointer_iterator, CGAL::Envelope_divide_and_conquer_2<Traits_,
Diagram_>::Envelope_diagram_1&) [with Traits_ =
CGAL::Arr_curve_data_traits_2<CGAL::Arr_segment_traits_2<CGAL::Cartesian<CGAL::Gmpq>
>, int>, Diagram_ =
CGAL::Env_default_diagram_1<CGAL::Arr_curve_data_traits_2<CGAL::Arr_segment_traits_2<CGAL::Cartesian<CGAL::Gmpq>
>, int> >, CGAL::Envelope_divide_and_conquer_2<Traits_,
Diagram_>::Curve_pointer_iterator =
__gnu_cxx::__normal_iterator<CGAL::Arr_segment_2<CGAL::Cartesian<CGAL::Gmpq>
>**, std::vector<CGAL::Arr_segment_2<CGAL::Cartesian<CGAL::Gmpq> >*,
std::allocator<CGAL::Arr_segment_2<CGAL::Cartesian<CGAL::Gmpq> >*> > >,
CGAL::Envelope_divide_and_conquer_2<Traits_, Diagram_>::Envelope_diagram_1 =
CGAL::Env_default_diagram_1<CGAL::Arr_curve_data_traits_2<CGAL::Arr_segment_traits_2<CGAL::Cartesian<CGAL::Gmpq>
>, int> >]':
a.cc:291:3: warning: 'new_v' is used uninitialized in this function
[-Wuninitialized]
a.cc:112:20: warning: '#'mem_ref' not supported by dump_expr#<expression
error>' is used uninitialized in this function [-Wuninitialized]
a.cc:287:40: note: '#'mem_ref' not supported by dump_expr#<expression error>'
was declared here
a.cc:112:20: warning: 'intersection_point' is used uninitialized in this
function [-Wuninitialized]
a.cc:288:29: note: 'intersection_point' was declared here



Older g++ didn't have the two mem_ref lines. The closest bug I could find is
PR22238.

[Bug other/46745] '#'mem_ref' not supported by dump_expr#<expression error>'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46745

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2010.12.01 14:01:02
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-01 14:01:02 UTC ---
Mine.

[Bug middle-end/46745] [4.6 Regression] '#'mem_ref' not supported by dump_expr#<expression error>'

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46745

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|other                       |middle-end
   Target Milestone|---                         |4.6.0
            Summary|'#'mem_ref' not supported   |[4.6 Regression]
                   |by dump_expr#<expression    |'#'mem_ref' not supported
                   |error>'                     |by dump_expr#<expression
                   |                            |error>'

[Bug middle-end/46745] [4.6 Regression] '#'mem_ref' not supported by dump_expr#<expression error>'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46745

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-03 16:10:43 UTC ---
Author: rguenth
Date: Fri Dec  3 16:10:36 2010
New Revision: 167433

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167433
Log:
2010-12-03  Richard Guenther  <rguenther@suse.de>

    PR c/46745
    * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF.
    (pp_c_unary_expression): Likewise.
    (pp_c_expression): Likewise.

    cp/
    * error.c (dump_expr): Handle MEM_REF.

Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-pretty-print.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/error.c

[Bug middle-end/46745] [4.6 Regression] '#'mem_ref' not supported by dump_expr#<expression error>'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46745

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-03 16:23:00 UTC ---
Fixed.