1 files changed, 6 insertions, 0 deletions
diff --git a/tests/mask.c b/tests/mask.c
new file mode 100644
index 0000000..d26546f
--- /dev/null
+++ b/tests/mask.c
@@ -0,0 +1,6 @@
+int a = -1;//11111...11
+int main() {
+    a &= ~3;// 111..00
+    e:goto e;
+    return 0;
+}