[Issue 3493] Segfault(cast.c) Forward reference with type inference, D1 only.

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3493



--- Comment #2 from Don <clugdbug at yahoo.com.au> 2010-08-09 02:37:30 PDT ---
Here's a more minimal patch. It shouldn't be implicitly casting the
initializer, if it hasn't run semantic on it yet.

expression.c, VarExp::semantic(), line 3955.

    if (v)
    {
        if (v->isConst() && v->type && type->toBasetype()->ty != Tsarray &&
v->init)
        {
            ExpInitializer *ei = v->init->isExpInitializer();
-            if (ei)
+            if (ei && ei->exp->type)
            {
+                assert(ei->exp->type);
                //ei->exp->implicitCastTo(sc, type)->print();
                return ei->exp->implicitCastTo(sc, type);
            }

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