diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 862cced1cc56fdad291041e714d687861a00689b..44a76ebb09b55234270f6f4bd1f0099de1a87602 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -149,6 +149,10 @@ jobs:
         sandbox:
           TEST_PY_BD: "sandbox"
           BUILDMAN: "^sandbox$"
+        sandbox_clang:
+          TEST_PY_BD: "sandbox"
+          BUILDMAN: "^sandbox$"
+          OVERRIDE: "-O clang-7"
         sandbox_spl:
           TEST_PY_BD: "sandbox_spl"
           TEST_PY_TEST_SPEC: "test_ofplatdata"
@@ -238,6 +242,7 @@ jobs:
           export TEST_PY_ID="${TEST_PY_ID}"
           export TEST_PY_TEST_SPEC="${TEST_PY_TEST_SPEC}"
           export BUILDMAN="${BUILDMAN}"
+          export OVERRIDE="${OVERRIDE}"
           EOF
           cat << "EOF" >> test.sh
           # the below corresponds to .gitlab-ci.yml "before_script"
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b295ac710feb9d89209731625e42186d8e064a3..0f5271dcd3080cd0a32095c207e94a24f63766cd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -178,6 +178,14 @@ sandbox test.py:
     BUILDMAN: "^sandbox$"
   <<: *buildman_and_testpy_dfn
 
+sandbox with clang test.py:
+  tags: [ 'all' ]
+  variables:
+    TEST_PY_BD: "sandbox"
+    BUILDMAN: "^sandbox$"
+    OVERRIDE: "-O clang-7"
+  <<: *buildman_and_testpy_dfn
+
 sandbox_spl test.py:
   tags: [ 'all' ]
   variables: