🚀 go-pugleaf

willow41:~/workcray/development/c++:142 cat gcc_bug2.cc
#include <iostream.h>

template<class T>
class gen_ddcell {
    signed next_ : 32 ;
    signed prev_ : 32 ;
public:
    T item ;

    gen_ddcell(void) { ; }
    gen_ddcell(const T &item) {
        this->item = item ; }
} ;

template<class T>
ostream &operator<<(ostream &s, gen_ddcell<T> &c) {
    return s << c.item ; }

main() {
    gen_ddcell<char> cell = 'a' ;
    cerr << cell ;
}

willow41:~/workcray/development/c++:143 g++ -v -o bug2 gcc_bug2.cc
Reading specs from /usr/contrib/lib/gcc-lib/sparc-sun-sunos4.1/2.2.2/specs
gcc version 2.2.2
 /usr/contrib/lib/gcc-lib/sparc-sun-sunos4.1/2.2.2/cpp -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -Dsparc -Dsun -Dunix -D__sparc__ -D__sun__ -D__unix__ -D__sparc -D__sun -D__unix gcc_bug2.cc /usr/tmp/cca15093.i
GNU CPP version 2.2.2 (sparc)
 /usr/contrib/lib/gcc-lib/sparc-sun-sunos4.1/2.2.2/cc1plus /usr/tmp/cca15093.i -quiet -dumpbase gcc_bug2.cc -version -o /usr/tmp/cca15093.s
GNU C++ version 2.2.2 (sparc) compiled by GNU C version 2.2.2.
/usr/contrib/bin/gcc: Internal compiler error: program cc1plus got fatal signal 11

This example works if I replace:

template<class T>
ostream &operator<<(ostream &s, gen_ddcell<T> &c) {
    return s << c.item ; }

by:

ostream &operator<<(ostream &s, gen_ddcell<char> &c) {
    return s << c.item ; }

in the code listed above.

Benoit