1 files changed, 24 insertions, 0 deletions
diff --git a/tests/sysy_lvX/040_global_var.sy b/tests/sysy_lvX/040_global_var.sy
new file mode 100644
index 0000000..40200f5
--- /dev/null
+++ b/tests/sysy_lvX/040_global_var.sy
@@ -0,0 +1,24 @@
+int a;
+int b = 2, c;
+
+void foo()
+{
+    int d;
+    d = a;
+    a = b;
+    b = c;
+    a = d;
+}
+
+int main()
+{
+    int b = 1;
+    c = 3;
+    a = b;
+    int c;
+    c = 6;
+    foo();
+    c = 7;
+    foo();
+    return a;
+}
+\ No newline at end of file