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[Bug c++/28736] New: [4.2 regression] ICE with friend of invalid template class


The following invalid testcase triggers an ICE on mainline:

=========================================
template<void> struct A
{
    template<typename> friend struct B;
};

template<typename> struct B {};

B<int> b;
=========================================

bug.cc:1: error: 'void' is not a valid type for a template constant parameter
bug.cc:3: internal compiler error: tree check: expected var_decl or
function_decl or type_decl or template_decl, have error_mark in
most_general_template, at cp/pt.c:11253
Please submit a full bug report, [etc.]

This is probably fallout from PR 27668.


-- 
           Summary: [4.2 regression] ICE with friend of invalid template
                    class
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code, error-recovery, monitored
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org
 BugsThisDependsOn: 27668


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28736


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