public MyIterator TestMethod()
{
lock (_returnLock)
{
if (_tail == null)
{
return(default(MyIterator));
}
// In this assignment there could be a GC hole:
// gcrReg -[rbx]
// byrReg +[rbx]
// add rbx, 32
// mov r15, rbx <--- r15 is not tracked to have a byref pointer.
// If a GC happens between this instruction and the next one, we have an invalid pointer.
// gcrReg -[rdi]
// byrReg +[rdi]
// mov rdi, r15
// New gcrReg live regs = 00000000 { }
_lastStart = new MyIterator(_tail, _tail.End);
return(_lastStart);
}
}
public MyIterator TestMethod()
{
lock (_returnLock)
{
if (_tail == null)
{
return default(MyIterator);
}
// In this assignment there could be a GC hole:
// gcrReg -[rbx]
// byrReg +[rbx]
// add rbx, 32
// mov r15, rbx <--- r15 is not tracked to have a byref pointer.
// If a GC happens between this instruction and the next one, we have an invalid pointer.
// gcrReg -[rdi]
// byrReg +[rdi]
// mov rdi, r15
// New gcrReg live regs = 00000000 { }
_lastStart = new MyIterator(_tail, _tail.End);
return _lastStart;
}
}