diff --git a/tests/reference/asr-array_01_mdspan-3a0babe.json b/tests/reference/asr-array_01_mdspan-3a0babe.json
index 5b038b6..dcdcc0c 100644
--- a/tests/reference/asr-array_01_mdspan-3a0babe.json
+++ b/tests/reference/asr-array_01_mdspan-3a0babe.json
@@ -8,6 +8,6 @@
     "stdout": null,
     "stdout_hash": null,
     "stderr": "asr-array_01_mdspan-3a0babe.stderr",
-    "stderr_hash": "3264f525d743d89d584cc1700c25c652a33211e30d73260d7a885fc1",
-    "returncode": -6
+    "stderr_hash": "75fae36610809dcd01894bb09490f3b174e656cf490f47aa38aa5caf",
+    "returncode": 1
 }
\ No newline at end of file
diff --git a/tests/reference/asr-array_01_mdspan-3a0babe.stderr b/tests/reference/asr-array_01_mdspan-3a0babe.stderr
index b5c0726..08ca237 100644
--- a/tests/reference/asr-array_01_mdspan-3a0babe.stderr
+++ b/tests/reference/asr-array_01_mdspan-3a0babe.stderr
@@ -1 +1 @@
-libc++abi: terminating due to uncaught exception of type std::runtime_error: arr1_data is marked as read only.
+arr1_data is marked as read only.
diff --git a/tests/reference/asr-array_02_mdspan-a54a3c5.json b/tests/reference/asr-array_02_mdspan-a54a3c5.json
index eb0490b..3299bba 100644
--- a/tests/reference/asr-array_02_mdspan-a54a3c5.json
+++ b/tests/reference/asr-array_02_mdspan-a54a3c5.json
@@ -8,6 +8,6 @@
     "stdout": null,
     "stdout_hash": null,
     "stderr": "asr-array_02_mdspan-a54a3c5.stderr",
-    "stderr_hash": "475718d7cd8acad712e80ffc94ff2d8b9904c7971c3b59978ebdce38",
-    "returncode": -6
+    "stderr_hash": "c335fe2f02049228933225c455954d7fb45ed1e5b318fafe53932c96",
+    "returncode": 1
 }
\ No newline at end of file
diff --git a/tests/reference/asr-array_02_mdspan-a54a3c5.stderr b/tests/reference/asr-array_02_mdspan-a54a3c5.stderr
index d42f2b5..e83a6c0 100644
--- a/tests/reference/asr-array_02_mdspan-a54a3c5.stderr
+++ b/tests/reference/asr-array_02_mdspan-a54a3c5.stderr
@@ -1 +1 @@
-libc++abi: terminating due to uncaught exception of type std::runtime_error: arr2_data is marked as read only.
+arr2_data is marked as read only.