druntime regression

shared_aa.d

import std;

struct B
{
    int[int] xx;
}

struct A
{
    B b;
}

void main()
{
    shared A a;
    
    a.b.xx[1] = 2;
    a.b.xx[2] = 4;
    a.b.xx[4] = 8;
    
    foreach(int k; a.b.xx.keys)
        writeln(k);
    foreach(int v; a.b.xx.values)
        writeln(v);
}