From a76d74fb7146d1785cdefc58a91c50ab9acec775 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@ppc970.osdl.org>
Date: Sun, 5 Jun 2005 23:32:53 -0700
Subject: Three-way merge: fix silly bug that made trivial merges not work

Making the main loop look more like the one- and two-way cases
introduced a bug where "src" had been updated early, but later
users hadn't been adjusted to match.

diff --git a/read-tree.c b/read-tree.c
index 8c9ffe1..b72ee1c 100644
--- a/read-tree.c
+++ b/read-tree.c
@@ -146,7 +146,7 @@ static void trivially_merge_cache(struct cache_entry **src, int nr)
 		}
 		if (old && !path_matches(old, ce))
 			reject_merge(old);
-		if (nr > 2 && (result = merge_entries(ce, src[1], src[2])) != NULL) {
+		if (nr > 2 && (result = merge_entries(ce, src[0], src[1])) != NULL) {
 			result->ce_flags |= htons(CE_UPDATE);
 			/*
 			 * See if we can re-use the old CE directly?
@@ -160,8 +160,8 @@ static void trivially_merge_cache(struct cache_entry **src, int nr)
 				old = NULL;
 			}
 			CHECK_OLD(ce);
+			CHECK_OLD(src[0]);
 			CHECK_OLD(src[1]);
-			CHECK_OLD(src[2]);
 			ce = result;
 			ce->ce_flags &= ~htons(CE_STAGEMASK);
 			src += 2;
-- 
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