scc

commit 248d4be51443e4c1a6137f285bdde1a027120bb6
parent 0e120abe46b29d6c3f3d00d6fda467a3f8949d37
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 27 Aug 2015 16:07:25 +0200

Disallow sizeof of incomplete type

Diffstat:
M
cc1/expr.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/cc1/expr.c b/cc1/expr.c
@@ -961,6 +961,8 @@ unary(void)
 	case SIZEOF:
 		next();
 		tp = (yytoken == '(') ? sizeexp() : typeof(unary());
+		if (!tp->defined)
+			errorp("sizeof applied to an incomplete type");
 		return sizeofnode(tp);
 	case INC:
 	case DEC: