Merge DMD r243: some harmonization with D2 dmd --- dmd/aggregate.h | 24 ++++- dmd/attrib.c | 63 ++++++---- dmd/attrib.h | 10 +- dmd/declaration.h | 5 +- dmd/func.c | 337 ++++++++++++++++++++++------------------------------- dmd/mars.c | 2 +- dmd/mars.h | 7 + dmd/mtype.h | 13 ++- dmd/parse.c | 32 ++++- dmd/parse.h | 14 ++- dmd/scope.h | 2 +- 11 files changed, 263 insertions(+), 246 deletions(-)

module union5;

union S
{
    T t;
    U u;
    uint i;
    struct {
        ushort sl,sh;
    }
}

struct T
{
    int i;
}

struct U
{
    float f;
}

void main()
{
    S s;
    assert(s.t.i == 0);
    assert(s.u.f == 0);
    s.t.i = -1;
    assert(s.i == 0xFFFF_FFFF);
    float f = 3.1415;
    s.u.f = f;
    uint pi = *cast(uint*)&f;
    assert(s.i == pi);
    assert(s.sl == (pi&0xFFFF));
    assert(s.sh == (pi>>>16));
}