From 8e091be3ffd71400c8b925d3ccec707a741fd0dc Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robux4@ycbcr.xyz>
Date: Thu, 2 May 2019 11:35:03 +0200
Subject: [PATCH] chroma: copy: do not use an empty structure if SSE2 is not
 supported

Structures with no field should not be used, it's Undefined Behavior:
https://stackoverflow.com/questions/3849334/sizeof-empty-structure-is-0-in-c-and-1-in-c-why
---
 modules/video_chroma/copy.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/video_chroma/copy.h b/modules/video_chroma/copy.h
index 6c463226f1c3..b06dc680ccca 100644
--- a/modules/video_chroma/copy.h
+++ b/modules/video_chroma/copy.h
@@ -29,6 +29,8 @@ typedef struct {
 # ifdef CAN_COMPILE_SSE2
     uint8_t *buffer;
     size_t  size;
+# else
+    char dummy;
 # endif
 } copy_cache_t;
 
-- 
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