Merge DMD r253: refactor: Argument => Parameter --- dmd/arrayop.c | 30 ++++---- dmd/arraytypes.h | 2 +- dmd/class.c | 8 +- dmd/declaration.c | 10 ++-- dmd/declaration.h | 16 ++-- dmd/doc.c | 12 ++-- dmd/dsymbol.c | 4 +- dmd/expression.c | 48 +++++++------- dmd/expression.h | 32 +++++----- dmd/func.c | 78 +++++++++++----------- dmd/init.c | 2 +- dmd/interpret.c | 8 +- dmd/mtype.c | 190 ++++++++++++++++++++++++++-------------------------- dmd/mtype.h | 32 +++++----- dmd/opover.c | 34 +++++----- dmd/parse.c | 40 ++++++------ dmd/parse.h | 2 +- dmd/statement.c | 90 +++++++++++++------------- dmd/statement.h | 14 ++-- dmd/struct.c | 8 +- dmd/template.c | 30 ++++---- gen/functions.cpp | 10 ++-- gen/functions.h | 2 +- gen/tocall.cpp | 10 ++-- gen/typinf.cpp | 6 +- 25 files changed, 359 insertions(+), 359 deletions(-)

module classes9;

class C
{
}

class D : C
{
}

class E
{
}

class F : E
{
}

void main()
{
    {
        D d = new D;
        {
            C c = d;
            assert(c !is null);
            D d2 = cast(D)c;
            assert(d2 !is null);
            E e = cast(E)d;
            assert(e is null);
            F f = cast(F)d;
            assert(f is null);
        }
    }
    {
        F f = new F;
        {
            E e = f;
            assert(e !is null);
            F f2 = cast(F)e;
            assert(f2 !is null);
            C c = cast(C)f;
            assert(c is null);
            D d2 = cast(D)f;
            assert(d2 is null);
        }
    }
}