add tested example file for GO jump rewriting

Author: partouf

test/golang/labels.go

@@ -0,0 +1,31 @@
+package labels
+
+var N int
+
+func Closures() {
+	if N != 1 {
+		go func() {
+			myFunc := func() {
+				if N != 4 {
+					print(1)
+				}
+			}
+
+			if N != 3 {
+				myFunc()
+			}
+		}()
+	}
+}
+
+func Closures_func1_1() {
+	if N != 1 {
+		print(1)
+	}
+}
+
+func αβ() {
+	if N != 1 {
+		print(1)
+	}
+}