[Bug c++/66745] New: ice in check_unstripped_args

[Bug c++/66745] New: ice in check_unstripped_args

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

            Bug ID: 66745
           Summary: ice in check_unstripped_args
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

gcc trunk dated 20150701, trying to compile the attached source code
with flags -g -std=c++11, does this

/usr/include/boost/python/detail/caller.hpp:194:43: internal compiler error: in
check_unstripped_args, at cp/pt.c:1039
         impl(F f, Policies p) : m_data(f,p) {}
                                           ^

[Bug c++/66745] ice in check_unstripped_args

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 35900
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35900&action=edit
C++ source code, compressed with xz

[Bug debug/66745] [6 Regression] ice in check_unstripped_args

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-07-03
                 CC|                            |trippels at gcc dot gnu.org
          Component|c++                         |debug
            Summary|ice in                      |[6 Regression] ice in
                   |check_unstripped_args       |check_unstripped_args
     Ever confirmed|0                           |1

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(gdb) p debug_tree(arg)                                                         
 <record_type 0x7fffe00572a0 asm_written type_2 type_6 TI                       
    size <integer_cst 0x7ffff6c32ea0 type <integer_type 0x7ffff6c362a0
bitsizetype> constant 128>                                                      
    unit size <integer_cst 0x7ffff6c32eb8 type <integer_type 0x7ffff6c361f8
sizetype> constant 16>                                                          
    align 64 symtab -608120512 alias set -1 canonical type 0x7fffe0057348       
    fields <field_decl 0x7fffe004fbe0 __pfn                                     
        type <pointer_type 0x7fffe0057150 type <method_type 0x7fffe1b3a930>     
            asm_written unsigned DI                                             
            size <integer_cst 0x7ffff6c32e58 constant 64>                       
            unit size <integer_cst 0x7ffff6c32e70 constant 8>                   
            align 64 symtab -608120032 alias set -1 canonical type
0x7fffe00571f8>                                                                 
        unsigned DI file
/home/dcb/rpmbuild/BUILD/ledger-720c03b139d251c53f9deef491f5953e2fdb97ca/src/py_account.cc
line 92 col 5264 size <integer_cst 0x7ffff6c32e58 64> unit size <integer_cst
0x7ffff6c32e70 8>                                                               
        align 64 offset_align 512                                               
        offset <integer_cst 0x7ffff6c32e88 constant 0>                          
        bit offset <integer_cst 0x7ffff6c32ed0 constant 0> context <record_type
0x7fffe00572a0>                                                                 
        chain <field_decl 0x7fffe004fc78 __delta type <integer_type
0x7ffff6c36930 long int>                                                        
            DI file
/home/dcb/rpmbuild/BUILD/ledger-720c03b139d251c53f9deef491f5953e2fdb97ca/src/py_account.cc
line 92 col 5264 size <integer_cst 0x7ffff6c32e58 64> unit size <integer_cst
0x7ffff6c32e70 8>                                                               
            align 64 offset_align 512 offset <integer_cst 0x7ffff6c32e88 0> bit
offset <integer_cst 0x7ffff6c32e58 64> context <record_type 0x7fffe00572a0>>>
ptrmemfunc fn type <pointer_type 0x7fffe0057150>                                
    pointer_to_this <pointer_type 0x7fffde2beb28> reference_to_this
<reference_type 0x7fffdfeea738> chain <type_decl 0x7fffe004fd10
__ptrmemfunc_type>>                       
$11 = void                                                                      

(gdb) p  debug_tree(strip_typedefs(arg,0))                                      
 <record_type 0x7fffdac08bd0 type_2 TI                                          
    size <integer_cst 0x7ffff6c32ea0 type <integer_type 0x7ffff6c362a0
bitsizetype> constant 128>                                                      
    unit size <integer_cst 0x7ffff6c32eb8 type <integer_type 0x7ffff6c361f8
sizetype> constant 16>                                                          
    align 64 symtab 0 alias set -1 canonical type 0x7fffe0057348                
    fields <field_decl 0x7fffd82e24c0 __pfn                                     
        type <pointer_type 0x7fffdac043f0 type <method_type 0x7fffe1b3c150>     
            unsigned DI                                                         
            size <integer_cst 0x7ffff6c32e58 constant 64>                       
            unit size <integer_cst 0x7ffff6c32e70 constant 8>                   
            align 64 symtab 0 alias set -1 canonical type 0x7fffe00571f8>       
        unsigned DI file /usr/include/boost/type_traits/is_class.hpp line 109
col 147 size <integer_cst 0x7ffff6c32e58 64> unit size <integer_cst
0x7ffff6c32e70 8>           
        align 64 offset_align 512                                               
        offset <integer_cst 0x7ffff6c32e88 constant 0>                          
        bit offset <integer_cst 0x7ffff6c32ed0 constant 0> context <record_type
0x7fffdac08bd0>                                                                 
        chain <field_decl 0x7fffd82e2980 __delta type <integer_type
0x7ffff6c36930 long int>                                                        
            DI file /usr/include/boost/type_traits/is_class.hpp line 109 col
147 size <integer_cst 0x7ffff6c32e58 64> unit size <integer_cst 0x7ffff6c32e70
8>                
            align 64 offset_align 512 offset <integer_cst 0x7ffff6c32e88 0> bit
offset <integer_cst 0x7ffff6c32e58 64> context <record_type 0x7fffdac08bd0>>>
ptrmemfunc fn type <pointer_type 0x7fffdac043f0>                                
    chain <type_decl 0x7fffd82e2ed8 __ptrmemfunc_type>>                         
$12 = void

[Bug c++/66745] [6 Regression] ice in check_unstripped_args

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ramana at gcc dot gnu.org
          Component|debug                       |c++

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Started with r224118.

[Bug c++/66745] [6 Regression] ice in check_unstripped_args

[ramana at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Target|                            |x86_64-linux
             Status|NEW                         |ASSIGNED

--- Comment #4 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Mine.

[Bug c++/66745] [6 Regression] ice in check_unstripped_args

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66745

--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Ramana Radhakrishnan from comment #5)
> I've had a look at it - however it's not an area that I've worked in before,
> so beware it will take me a while to understand the issue here.
> 
> If someone can help with a reduced testcase that would be appreciated.

I've tried to reduce the testcase, but have given up. 
(After 12h it was reduced by only 10%.)
This is a ~10MB boost testcase, so it might takes days to reduce it.