test: Add a test case for "pub use a::*"

Author: pcwalton

src/test/run-pass/reexport-star.rs

@@ -0,0 +1,14 @@
+mod a {
+    pub fn f() {}
+    pub fn g() {}
+}
+
+mod b {
+    pub use a::*;
+}
+
+fn main() {
+    b::f();
+    b::g();
+}
+