merge overwrites unstaged changes in renamed file

Signed-off-by: Clemens Buchacher <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Clemens Buchacher

t/t7607-merge-overwrite.sh

@@ -92,6 +92,15 @@ test_expect_success 'will not overwrite removed file with staged changes' '
 	test_cmp important c1.c
 '
 
+test_expect_failure 'will not overwrite unstaged changes in renamed file' '
+	git reset --hard c1 &&
+	git mv c1.c other.c &&
+	git commit -m rename &&
+	cp important other.c &&
+	git merge c1a &&
+	test_cmp important other.c
+'
+
 test_expect_success 'will not overwrite untracked subtree' '
 	git reset --hard c0 &&
 	rm -rf sub &&