scc

commit fca65d578482bb75a341943d97153e8b5f87a457
parent c61a84d918f0978ebb8e1abdba5e24aa1a97f916
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 10 Apr 2014 06:35:03 +0200

Update lvalue flag in cast()

An expression after a cast is an lvalue only if the expression
before of the cast was a lvalue.

Diffstat:
M
expr.c
 | 
6
+++++-

1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/expr.c b/expr.c
@@ -225,6 +225,7 @@ static struct node *
 cast(void)
 {
 	Type *tp;
+	Node *np1, *np2;
 	extern Type *typename(void);
 
 	if (yytoken == '(') {
@@ -233,7 +234,10 @@ cast(void)
 			next();
 			tp = typename();
 			expect(')');
-			return castcode(cast(), tp);
+			np1 = cast();
+			np2 = castcode(np1, tp);
+			np2->b.lvalue = np1->b.lvalue;
+			return np1;
 		default:
 			break;
 		}