fd debug breakpoint not work bug #456

i have A project and B project.
i open B project and a A.as file of A project.
i make a breakpoint of A.as.
i open A project,i can see the breakpoint of A.as.
but it not work.
i remake the breakpoint,and it work now.

2.some line breakpoint not work.
like.
{
var a = 1+1;
}
i want watch the value of a.
so i make a breakpoint at the end line.it is not work.