Problems with templates: Internal compiler error

[sargor at guinan dot mcnc dot org (Chandramouli Sargor)]

Hello all,

I just installed egcs 1.0.3 yesterday on my Pentium machine
running FreeBSD and tried to compile some programs that use
templates that had compiled fine under Solaris on a Sun.

#############################################################
> g++ -v
  Reading specs from /usr/local/lib/gcc-lib/i386-unknown-freebsd2.2.5/egcs-2.90.29/specs
  gcc version egcs-2.90.29 980515 (egcs-1.0.3 release)
#############################################################

When I compile, I get:

> g++ a.C
  In file included from a.C:3:
  mq.H:27: Internal compiler error.
  mq.H:27: Please submit a full bug report to `egcs-bugs@cygnus.com'.

-------------------------------------------------------------------

Here's the relevant code from two include files mq.H and pool.H:

FILE pool.H:

........
  template <class item>
    class PoolElement {
    friend class Pool<item>; 
    friend class PoolMgr<item>;
    public:
      void* operator new(size_t s) {
	return((item*) pm.allocate());
      }
      void operator delete(void *n) {
	pm.deallocate((item*)n);
      }
    private:
      item* next;
      item* prev;
      Pool<item>* pool;
      static PoolMgr<item> pm;
  };
........


FILE mq.H:

.......
#include "pool.H"

Line 27:    class qmsg : public PoolElement<qmsg> {  // g++ COMPLAINS ABOUT THIS LINE
Line 28:    public: 
Line 29:      long int tid;
Line 30:      int type;
Line 31:      void* bufp;
Line 32:    };  
.......


File a.C

#include "mq.H"

main()

{
 qmsg *qm = new qmsg;
}

-------------------------------------------------------------------------

I would greatly appreciate any help I can get to fix this. Also,
does egcs.1.0.3 allow templates to be defined in one file and 
instantiated in another - I get 'undefined symbols' errors when
I try to do this.

Thanks!

Chandru
sargor@mcnc.org