From 8d225c32b194f1bb3e2c1606ec55b41b3eca6c76 Mon Sep 17 00:00:00 2001
From: acqn <acqn163@outlook.com>
Date: Sat, 22 Aug 2020 05:57:12 +0800
Subject: [PATCH] Fixed checks on assignment to incomplete types.

---
 src/cc65/assignment.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cc65/assignment.c b/src/cc65/assignment.c
index 6acab3fe8..633083669 100644
--- a/src/cc65/assignment.c
+++ b/src/cc65/assignment.c
@@ -156,6 +156,11 @@ void Assignment (ExprDesc* Expr)
         Error ("Assignment to const");
     }
 
+    /* Check for assignment to incomplete type */
+    if (IsIncompleteESUType (ltype)) {
+        Error ("Assignment to incomplete type '%s'", GetFullTypeName (ltype));
+    }
+
     /* Skip the '=' token */
     NextToken ();