c++/7327: -isystem and template linkage

[neil@gcc.gnu.org]

Old Synopsis: strange error through using -isystem
New Synopsis: -isystem and template linkage

State-Changed-From-To: open->analyzed
State-Changed-By: neil
State-Changed-When: Tue Aug 13 04:12:48 2002
State-Changed-Why:
    One way gives your headers extern "C" wrappers, the other
    doesn't.  I'm not sure what the fix is, or even if it should be fixed.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7327