c++/10771: [3.4 regression] [diagnostic] Unreadable error message for illegal specialization

[bangerth@dealii.org]

Synopsis: [3.4 regression] [diagnostic] Unreadable error message for illegal specialization

State-Changed-From-To: open->analyzed
State-Changed-By: bangerth
State-Changed-When: Wed May 14 21:18:34 2003
State-Changed-Why:
    Confirmed. Though it's worse: gcc3.2.3 and 3.3 ICE on this
    code. 3.4 doesn't any more. But I think that we have other
    reports about the ICE, so we may keep this PR just for the
    problem with the diagnostics. Is this right Giovanni?

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10771