[Bug c++/32029] New: Internal Compiler Error on instantiation of template parameter

[ejt at andrew dot cmu dot edu]

When there is a default template parameter based on a templated class member
type, the compiler dies a nasty death.  As far as I can tell, gcc prior to 4.1
branch works fine, but all of the 4.1 branch seems to have this problem.

Quick summary... This works:
  template::template Factory > class
thing {/*...*/};

This ICEs:
  template::Factory > class thing
{/*...*/};
whenever you try to instantiate 'thing', as seen below:
$ g++ -Wall bug.cc -o bug
bug.cc: In instantiation of ‘Factory0Arg::Factory’:
bug.cc:41:   instantiated from ‘void thing::makeIt() [with T = foo, Al =
Factory0Arg::Factory]’
bug.cc:53:   instantiated from here
bug.cc:19: internal compiler error: in instantiate_class_template, at
cp/pt.c:5666

I would at least hope for a better error message assuming that's not valid
syntax ;)

I'll attach original and preprocessed source.


-- 
   Summary: Internal Compiler Error on instantiation of template
parameter
   Product: gcc
   Version: 4.1.2
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
    ReportedBy: ejt at andrew dot cmu dot edu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32029

[Bug c++/32029] Internal Compiler Error on instantiation of template parameter

[ejt at andrew dot cmu dot edu]

--- Comment #1 from ejt at andrew dot cmu dot edu  2007-05-22 05:00 ---
Created an attachment (id=13599)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13599&action=view)
Original source


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32029

[Bug c++/32029] Internal Compiler Error on instantiation of template parameter

[ejt at andrew dot cmu dot edu]

--- Comment #2 from ejt at andrew dot cmu dot edu  2007-05-22 05:01 ---
Created an attachment (id=13600)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13600&action=view)
Preprocessed source


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32029