Merge pull request #2070 from bbbradsmith/fix2060

RHS primary integer promotion must happen after loading the primary, not before

src/cc65/expr.c

@@ -3090,9 +3090,10 @@ static void parseadd (ExprDesc* Expr, int DoArrayRef)
                 Expr->Type = Expr2.Type;
             } else if (!DoArrayRef && IsClassInt (lhst) && IsClassInt (rhst)) {
                 /* Integer addition */
-                flags = typeadjust (Expr, &Expr2, 0);
                 /* Load rhs into the primary */
                 LoadExpr (CF_NONE, &Expr2);
+                /* Adjust rhs primary if needed  */
+                flags = typeadjust (Expr, &Expr2, 0);
             } else {
                 /* OOPS */
                 AddDone = -1;