shithub: scc

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Fix type comparision

Field n.elem cannot be used until we know that it is a field used
in the type, so we have to check first the op of the type.
This problem was generating errors in pointer type comparision.

--- a/cc1/types.c

+++ b/cc1/types.c

@@ -337,15 +337,17 @@

 		return 0;

 	if (tp1 == tp2)

 		return 1;

-	if (tp1->op != tp2->op || tp1->n.elem != tp2->n.elem)

-		return 0;

 	switch (tp1->op) {

 	case ARY:

+		if (tp1->op != tp2->op || tp1->n.elem != tp2->n.elem)

+			return 0;

 	case PTR:

 		return eqtype(tp1->type, tp2->type);

 	case UNION:

 	case STRUCT:

 	case FTN:

+		if (tp1->op != tp2->op || tp1->n.elem != tp2->n.elem)

+			return 0;

 		p1 = tp1->pars, p2 = tp2->pars;

 		for (n = tp1->n.elem; n > 0; --n) {

 			if (!eqtype(*p1++, *p2++))