diff --git a/ci/aarch64-linux-debug.sh b/ci/aarch64-linux-debug.sh
index ca085d27795bfd78950f9da2a78ea67adc9d98da..94f40c557b9035b054f45be4f1be441180339a08 100644
--- a/ci/aarch64-linux-debug.sh
+++ b/ci/aarch64-linux-debug.sh
@@ -98,3 +98,9 @@ unset CXX
 ninja install
 
 stage3/bin/zig test ../test/behavior.zig -I../test
+stage3/bin/zig build -p stage4 \
+  -Dstatic-llvm \
+  -Dtarget=native-native-musl \
+  --search-prefix "$PREFIX" \
+  --zig-lib-dir "$(pwd)/../lib"
+stage4/bin/zig test ../test/behavior.zig -I../test
diff --git a/ci/aarch64-linux-release.sh b/ci/aarch64-linux-release.sh
index e3dc4530a8a91861026f3882d4dd621c4fc3f203..65d6063f250e1178255f450af36a9ec53503fd4b 100644
--- a/ci/aarch64-linux-release.sh
+++ b/ci/aarch64-linux-release.sh
@@ -98,3 +98,9 @@ unset CXX
 ninja install
 
 stage3/bin/zig test ../test/behavior.zig -I../test
+stage3/bin/zig build -p stage4 \
+  -Dstatic-llvm \
+  -Dtarget=native-native-musl \
+  --search-prefix "$PREFIX" \
+  --zig-lib-dir "$(pwd)/../lib"
+stage4/bin/zig test ../test/behavior.zig -I../test
diff --git a/ci/x86_64-linux-debug.sh b/ci/x86_64-linux-debug.sh
index d3e16a39543f75400255ed3fbedc163a73bcfbc9..7f2382f04a6961893cb50efe4a636287a5a6685e 100755
--- a/ci/x86_64-linux-debug.sh
+++ b/ci/x86_64-linux-debug.sh
@@ -97,3 +97,9 @@ unset CXX
 ninja install
 
 stage3/bin/zig test ../test/behavior.zig -I../test
+stage3/bin/zig build -p stage4 \
+  -Dstatic-llvm \
+  -Dtarget=native-native-musl \
+  --search-prefix "$PREFIX" \
+  --zig-lib-dir "$(pwd)/../lib"
+stage4/bin/zig test ../test/behavior.zig -I../test
diff --git a/ci/x86_64-linux-release.sh b/ci/x86_64-linux-release.sh
index cec08fae84a23ebcb69facd2ee857d59e2dca184..cdb24e4a6f9475a7692300d28eb5a57fea5131c3 100755
--- a/ci/x86_64-linux-release.sh
+++ b/ci/x86_64-linux-release.sh
@@ -114,3 +114,9 @@ unset CXX
 ninja install
 
 stage3/bin/zig test ../test/behavior.zig -I../test
+stage3/bin/zig build -p stage4 \
+  -Dstatic-llvm \
+  -Dtarget=native-native-musl \
+  --search-prefix "$PREFIX" \
+  --zig-lib-dir "$(pwd)/../lib"
+stage4/bin/zig test ../test/behavior.zig -I../test