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[PATCHv2 1/2] t4200: demonstrate rerere segfault on specially crafted merge




Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
 t/t4200-rerere.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh
index 65da74c766..f9294b7677 100755
--- a/t/t4200-rerere.sh
+++ b/t/t4200-rerere.sh
@@ -577,4 +577,33 @@ test_expect_success 'multiple identical conflicts' '
 	count_pre_post 0 0
 '
 
+test_expect_success 'setup simple stage 1 handling' '
+	test_create_repo stage_1_handling &&
+	(
+		cd stage_1_handling &&
+
+		test_seq 1 10 >original &&
+		git add original &&
+		git commit -m original &&
+
+		git checkout -b A master &&
+		git mv original A &&
+		git commit -m "rename to A" &&
+
+		git checkout -b B master &&
+		git mv original B &&
+		git commit -m "rename to B"
+	)
+'
+
+test_expect_failure 'test simple stage 1 handling' '
+	(
+		cd stage_1_handling &&
+
+		git config rerere.enabled true &&
+		git checkout A^0 &&
+		test_must_fail git merge B^0
+	)
+'
+
 test_done
-- 
2.19.0.2.gdbd064c81f