[LLVMbugs] [Bug 9336] New: Incorrect attaching of const

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9336

           Summary: Incorrect attaching of const
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: chris at bubblescope.net
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Created an attachment (id=6244)
 --> (http://llvm.org/bugs/attachment.cgi?id=6244)
Example code

The attached file fails to compile in clang++. It compiles in both g++ and
comeau.

I attach the backtrace below. I'll be honest, I'm not 100% sure who is in the
right. This was reduced from a boost testcase (in boost assign). I can't see
how the "inner" const is sneaking in.


t.cc:10:3: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^
t.cc:21:24: note: in instantiation of function template specialization
'generic_list<generic_list<int> >::operator array<array<array<int> > >'
requested here        
array<array<int> > a = l;
                       ^
t.cc:9:10: error: read-only variable is not assignable                          
    ar[0]=*i;
    ~~~~~^
t.cc:9:11: note: in instantiation of function template specialization
'generic_list<int>::operator array<const array<int> >' requested here           
    ar[0]=*i;
          ^
t.cc:21:24: note: in instantiation of function template specialization
'generic_list<generic_list<int> >::operator array<array<array<int> > >'
requested here        
array<array<int> > a = l;
                       ^
1 warning and 1 error generated.

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