shithub: scc

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Fix calculation of sizes in structs

The aligment calculus was wrong because we were taking
the values from a wrong type pointer and because the
phormula failed when size&align == 0.

--- a/cc1/types.c

+++ b/cc1/types.c

@@ -279,11 +279,9 @@

 		n = tp->n.elem;

 		for (sp = tp->p.fields; n--; ++sp) {

 			tp = (*sp)->type;

+			align = tp->align-1;

+			size = size + align & ~align;

 			size += tp->size;

-			if (n > 0) {

-				align = tp->align - 1;

-				size += align - (size & align);

-			}

 		}

 		return size;

 	case UNION: