diff --git a/testing/btest/Baseline/language.vector-hole-loop/out b/testing/btest/Baseline/language.vector-hole-loop/out
new file mode 100644
index 0000000000..98cb76e32b
--- /dev/null
+++ b/testing/btest/Baseline/language.vector-hole-loop/out
@@ -0,0 +1,8 @@
+### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
+[, foo, bar, , baz]
+1
+2
+4
+foo
+bar
+baz
diff --git a/testing/btest/language/vector-hole-loop.zeek b/testing/btest/language/vector-hole-loop.zeek
new file mode 100644
index 0000000000..961ee3fbd6
--- /dev/null
+++ b/testing/btest/language/vector-hole-loop.zeek
@@ -0,0 +1,20 @@
+# @TEST-EXEC: zeek -b %INPUT >out
+# @TEST-EXEC: btest-diff out
+
+event zeek_init()
+	{
+	local v: vector of string;
+
+	v[1] = "foo";
+	v[2] = "bar";
+	v[4] = "baz";
+
+	print v;
+
+	for ( idx in v )
+		print idx;
+
+	for ( idx in v )
+		print v[idx];
+	}
+