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c++/9222: compiler crash in nested, self-referential template


>Number:         9222
>Category:       c++
>Synopsis:       compiler crash in nested, self-referential template
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-illegal-code
>Submitter-Id:   net
>Arrival-Date:   Tue Jan 07 15:16:01 PST 2003
>Closed-Date:
>Last-Modified:
>Originator:     tkarkanis@aw.sgi.com
>Release:        unknown-1.0
>Organization:
>Environment:
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --host=i386-redhat-linux --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)
>Description:
When I compile the attached file, I get a compiler crash:

nexus:~> g++ -c gccbug.cpp
gccbug.cpp: In constructor `FinalIterator<T, Iterator, 
   Impl>::iterator::iterator(const Impl&) [with T = int, Iterator = 
   ForwardIterator, Impl = int]':
gccbug.cpp:30:   instantiated from here
gccbug.cpp:21: Internal compiler error in lookup_base, at cp/search.c:325
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions.


If I uncomment the commented line, and comment out the line above it, there is no crash.  I'm not sure if the code I submitted is legal or not.
>How-To-Repeat:
g++ -c gccbug.cpp
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="gccbug.cpp"

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