From 2145057cb8a50aba1a27a67be19953bee9b164fd Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Sun, 25 Feb 2018 14:44:29 +0100
Subject: pkg/compiler: fix alignment corner case

Fix alignemnt calculation for packed structs with alignment and bitfields.
Amusingly this affected only a single real struct -- ipv6_fragment_ext_header.
---
 sys/test/test.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'sys/test/test.txt')

diff --git a/sys/test/test.txt b/sys/test/test.txt
index d63ed598b..f520afa04 100644
--- a/sys/test/test.txt
+++ b/sys/test/test.txt
@@ -26,6 +26,7 @@ syz_test$align3(a0 ptr[in, syz_align3])
 syz_test$align4(a0 ptr[in, syz_align4])
 syz_test$align5(a0 ptr[in, syz_align5])
 syz_test$align6(a0 ptr[in, syz_align6])
+syz_test$align7(a0 ptr[in, syz_align7])
 
 syz_align0 {
 	f0	int16
@@ -97,6 +98,20 @@ syz_align6 {
 	f1	array[int32]
 }
 
+syz_align7 {
+	f0	syz_align8
+	f1	int8
+}
+
+syz_align8 {
+	f0	int8:1
+	f1	int8:1
+	f2	int8:1
+	f3	int16:1
+	f4	int16:1
+	f5	int16:1
+} [packed, align_8]
+
 # Structs
 
 syz_test$struct(a0 ptr[in, syz_struct0])
-- 
cgit mrf-deployment