cxa-atexit1.c

gcc-you can use this code to learn something about gcc, and inquire further into linux,

// { dg-do compile }
// { dg-options "-O2 -fuse-cxa-atexit" }

# 1 "cxa-atexit1.C"
struct A
{
  struct B
  {
    B ();
    ~B ();
  };
};
static A::B b;
# 1 "cxa-atexit1.h" 1
#pragma interface
template <class T> struct C
{
  ~C (void);
};
struct D : public C<bool>
{
  D (void) : C<bool> () { }
};
# 55 "cxa-atexit1.C" 2

// { dg-final { scan-assembler-not ".gnu.linkonce.t.__tcf_" } }