From df2ff4f9fe9156989ced59ffd4bcce68764b6ca4 Mon Sep 17 00:00:00 2001
From: Flier Lu <flier.lu@gmail.com>
Date: Wed, 8 Feb 2017 19:45:56 +0800
Subject: check empty layout

---
 src/codegen/struct_layout.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/codegen/struct_layout.rs')

diff --git a/src/codegen/struct_layout.rs b/src/codegen/struct_layout.rs
index 3006a31a..98640570 100644
--- a/src/codegen/struct_layout.rs
+++ b/src/codegen/struct_layout.rs
@@ -163,7 +163,11 @@ impl<'a, 'ctx> StructLayoutTracker<'a, 'ctx> {
     }
 
     fn padding_bytes(&self, layout: Layout) -> usize {
-        if self.latest_offset % layout.align == 0 {
+        if layout.align == 0 {
+            warn!("try to padding bytes without layout");
+
+            0
+        } else if self.latest_offset % layout.align == 0 {
             0
         } else {
             layout.align - (self.latest_offset % layout.align)
-- 
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