scc

commit 058e5104f68f1a0d1a0da305c7e730b2d5adb392
parent dfe85dcaa8a0216b88815c0cf67ef247c51dc18c
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue,  9 Aug 2016 14:09:29 +0200

[cc1] Fix content()

With previous version of the code content() had no problems
receiving something different to a pointer, but, with the current
this is not true anymore. If we receive an array then it means
that we have a problem somewhere.

Diffstat:
M
cc1/expr.c
 | 
11
++++-------

1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/cc1/expr.c b/cc1/expr.c
@@ -494,10 +494,9 @@ free_np:
 static Node *
 content(char op, Node *np)
 {
-	switch (BTYPE(np)) {
-	case ARY:
-	case FTN:
-	case PTR:
+	if (BTYPE(np) != PTR) {
+		errorp("invalid argument of memory indirection");
+	} else {
 		if (np->op == OADDR) {
 			Node *new = np->left;
 			new->type = np->type->type;
@@ -507,10 +506,8 @@ content(char op, Node *np)
 			np = node(op, np->type->type, np, NULL);
 		}
 		np->flags |= NLVAL;
-		return np;
-	default:
-		error("invalid argument of memory indirection");
 	}
+	return np;
 }
 
 static Node *