shithub: scc

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Simplify Return()

--- a/cc1/expr.c

+++ b/cc1/expr.c

@@ -72,6 +72,8 @@

 Node *

 eval(Node *np)

 {

+	if (!np)

+		return NULL;

 	if (!ISNODECMP(np))

 		return np;

 	return ternarycode(np, symcode(one), symcode(zero));

--- a/cc1/stmt.c

+++ b/cc1/stmt.c

@@ -139,7 +139,7 @@

 	Type *tp = curfun->type->type;

 	expect(RETURN);

-	np  =  (yytoken == ';') ? NULL : eval(expr());

+	np  = eval(expr());

 	expect(';');

 	if (!np) {

 		if (tp != voidtype)