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List:       gcc-bugs
Subject:    c++/4973: weird template instantiation
From:       benko () sztaki ! hu
Date:       2001-11-30 8:47:57
[Download RAW message or body]


>Number:         4973
>Category:       c++
>Synopsis:       weird template instantiation
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 30 00:56:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Pal Benko
>Release:        3.0.2
>Organization:
>Environment:
SuSE7.1, i686
>Description:
Compiling the attached program I got

arta:~/c/proba$ /gml/shared/gcc-3.0.2/bin/g++ -Wall -ftemplate-depth-3 templit.cc
templit.cc:20: template instantiation depth exceeds maximum of 3 (use 
   -ftemplate-depth-NN to increase the maximum) instantiating `struct Net<8>'
templit.cc:20:   instantiated from `Net<7>'
templit.cc:20:   instantiated from `Net<6>'
templit.cc:20:   instantiated from `Net<5>'
templit.cc:26:   instantiated from here
templit.cc:20: invalid use of undefined type `struct Net<8>'
templit.cc:3: forward declaration of `struct Net<8>'
templit.cc: In function `int main()':
templit.cc:27: warning: unused variable `Net<4> n'
zsh: exit 1     /gml/shared/gcc-3.0.2/bin/g++ -Wall -ftemplate-depth-3 templit.cc

I think instantiating Net<7> should not be attempted.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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