Gtkmm: 1.3.24
Gtk+: 2.0.6
libsigc++: 1.1.3
GCC: 2.95.2
libc: 2.2.4

This small program segfaults when run. Backtrace is included. I compile
with this line:

g++ -g `pkg-config --cflags --libs gtkmm-2.0` src/test.cpp

#include <gtkmm/main.h>
#include <gtkmm/adjustment.h>

class adjust : public Gtk::Adjustment
{
  gint color_z;
  public:
    adjust(const gint & =0);
};

//Constructor.
adjust::adjust(const gint &mask)
: Gtk::Adjustment(0.0, 0.0, 1.5, 0.01, 0.1, 0.5), color_z(mask)
{
  cout << "adjust constructor.\n";
  gdouble a;
}

int main(int argc, char* argv[])
{
  Gtk::Main main_runner(argc, argv);
  adjust dud(2);
  main_runner.run();
  return(0);
}

(gdb) backtrace
#0  0x0 in __strtol_internal (nptr=0x806ffd0 "\230þ\006\b\002",
endptr=0x8063bc0, base=-1073746260, group=1079820466) at eval.c:35

+ Trace 28612