[Issue 6029] Regression(2.053): DMD stack overflow with invalid alias this

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6029



--- Comment #5 from Trass3r <mrmocool at gmx.de> 2011-11-03 08:43:09 PDT ---
caused by mtype.c:
// 'from' is A and 'to' is int
static MATCH aliasthisConvTo(AggregateDeclaration *ad, Type *from, Type *to)
{
    assert(ad->aliasthis);
    Declaration *d = ad->aliasthis->isDeclaration();
    if (d)
    {   assert(d->type);
        Type *t = d->type; // <-- gets struct type A again
        if (d->isVarDeclaration() && d->needThis())
        {
            t = t->addMod(from->mod);
        }
...
        MATCH m = t->implicitConvTo(to);

Guess it should be caught earlier though.

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