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Date: Thu, 15 Nov 2007 07:54:00 -0000
Subject: [Bug c++/34103]  New: [4.3 regression] ICE with invalid variadic template functions
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The following invalid testcase triggers an ICE on mainline:

============================================================
template<typename> struct A {};

template<typename...T> void foo(A<T>, A<T>);

template<typename...T> void foo(A<T>, A<T>) {}
============================================================

bug.cc:3: error: parameter packs not expanded with `...':
bug.cc:3: note:         'T'
bug.cc:5: error: parameter packs not expanded with `...':
bug.cc:5: note:         'T'
bug.cc:5: internal compiler error: canonical types differ for identical types
A<<expression error> > and A<<expression error> >
Please submit a full bug report, [etc.]

The bug appeared between 2007-11-03 and 2007-11-06.


-- 
           Summary: [4.3 regression] ICE with invalid variadic template
                    functions
           Product: gcc
           Version: 4.3.0
            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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34103