g++ internal compiler error with templates

[Peter Schmid]

This file produces an internal compiler error.
It is from blitz.
It did compile with egcs-971225.

Peter Schmid

cat t.C
/***************************************************************************
 * blitz/arrayslice.h    Helper classes for slicing arrays
 *
 * $Id: arrayslice.h,v 1.1 1997/07/16 14:51:20 tveldhui Exp $
 *
 * Copyright (C) 1997 Todd Veldhuizen <tveldhui@seurat.uwaterloo.ca>

// Forward declaration
template<class T, int N>
class Array;

class nilArraySection { };

template<class T>
class ArraySectionInfo {
public:
    enum { isValidType = 0, rank = 0, isPick = 0 };
};

template<>
class ArraySectionInfo<int> {
public:
    enum { isValidType = 1, rank = 0, isPick = 0 };
};

template<>
class ArraySectionInfo<nilArraySection> {
public:
    enum { isValidType = 1, rank = 0, isPick = 0 };
};

template<class T_numtype, class T1, class T2 = nilArraySection, 
    class T3 = nilArraySection, class T4 = nilArraySection, 
    class T5 = nilArraySection, class T6 = nilArraySection, 
    class T7 = nilArraySection, class T8 = nilArraySection, 
    class T9 = nilArraySection, class T10 = nilArraySection, 
    class T11 = nilArraySection>
class SliceInfo {
public:
    enum { 
        numValidTypes = ArraySectionInfo<T1>::isValidType
                      + ArraySectionInfo<T2>::isValidType
                      + ArraySectionInfo<T3>::isValidType
                      + ArraySectionInfo<T4>::isValidType
                      + ArraySectionInfo<T5>::isValidType
                      + ArraySectionInfo<T6>::isValidType
                      + ArraySectionInfo<T7>::isValidType
                      + ArraySectionInfo<T8>::isValidType
                      + ArraySectionInfo<T9>::isValidType
                      + ArraySectionInfo<T10>::isValidType
                      + ArraySectionInfo<T11>::isValidType,

        rank          = ArraySectionInfo<T1>::rank
                      + ArraySectionInfo<T2>::rank
                      + ArraySectionInfo<T3>::rank
                      + ArraySectionInfo<T4>::rank
                      + ArraySectionInfo<T5>::rank
                      + ArraySectionInfo<T6>::rank
                      + ArraySectionInfo<T7>::rank
                      + ArraySectionInfo<T8>::rank
                      + ArraySectionInfo<T9>::rank
                      + ArraySectionInfo<T10>::rank
                      + ArraySectionInfo<T11>::rank,

        isPick        = ArraySectionInfo<T1>::isPick
                      + ArraySectionInfo<T2>::isPick
                      + ArraySectionInfo<T3>::isPick
                      + ArraySectionInfo<T4>::isPick
                      + ArraySectionInfo<T5>::isPick
                      + ArraySectionInfo<T6>::isPick
                      + ArraySectionInfo<T7>::isPick
                      + ArraySectionInfo<T8>::isPick
                      + ArraySectionInfo<T9>::isPick
                      + ArraySectionInfo<T10>::isPick
                      + ArraySectionInfo<T11>::isPick
        };

    typedef Array<T_numtype,numValidTypes> T_array;
    typedef Array<T_numtype,rank> T_slice;
};

g++ -v -c t.C -W -Wall

Reading specs from /usr/local/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.91.06/specs
gcc version egcs-2.91.06 980122 (gcc-2.8.0 release)
 /usr/local/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.91.06/cpp -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -D__GNUC_MINOR__=91 -D__ELF__ -Dunix -Dlinux -D__ELF__ -D__unix__ -D__linux__ -D__unix -D__linux -Asystem(posix) -D__EXCEPTIONS -W 
-Wall -Di386 -Di586 -Asystem(unix) -Acpu(i386) -Amachine(i386) -D__i386__ -D__i586__ -Asystem(unix) -Acpu(i386) -Amachine(i386) t.C /tmp/cca30652.ii
GNU CPP version egcs-2.91.06 980122 (gcc-2.8.0 release) (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include/g++
 /usr/local/include
 /usr/local/i586-pc-linux-gnulibc1/include
 /usr/local/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.91.06/include
 /usr/include
End of search list.
 /usr/local/lib/gcc-lib/i586-pc-linux-gnulibc1/egcs-2.91.06/cc1plus 
/tmp/cca30652.ii -quiet -dumpbase t.cc -W -Wall -version -o /tmp/cca30652.s
GNU C++ version egcs-2.91.06 980122 (gcc-2.8.0 release) (i586-pc-linux-gnulibc1
) compiled by GNU C version egcs-2.91.06 980122 (gcc-2.8.0 release).
t.C:96: Internal compiler error.
t.C:96: Please submit a full bug report to `egcs-bugs@cygnus.com'.