[review] joshtriplett

src/test/ui/resolve/module-in-block-compile-fail.rs

@@ -0,0 +1,12 @@
+fn module_in_function_cannot_access_variables() {
+    let x: i32 = 5;
+
+    mod inner {
+        use super::x;  //~ ERROR unresolved import `super::x`
+        fn get_x() -> i32 {
+            x
+        }
+    }
+}
+
+fn main() { }

src/test/ui/resolve/module-in-block-compile-fail.stderr

@@ -0,0 +1,9 @@
+error[E0432]: unresolved import `super::x`
+  --> $DIR/module-in-block-compile-fail.rs:5:13
+   |
+LL |         use super::x;
+   |             ^^^^^^^^ no `x` in `<opaque>`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0432`.

src/test/ui/resolve/module-in-block-run-pass.rs

@@ -99,3 +99,36 @@ fn module_in_block_prefer_inner_glob() {
         assert_eq!(inner::get_const(), "INNER");
     }
 }
+
+#[test]
+fn module_in_block_does_not_use_variables() {
+    #[allow(unused_variables)]
+    let bar = || "inner_block";
+
+
+    // anonymous block
+    mod inner {
+        use super::bar;
+        pub fn call_bar() -> &'static str {
+            bar()
+        }
+    }
+
+    assert_eq!(inner::call_bar(), "outer");
+}
+
+#[test]
+fn module_in_block_does_not_use_variables_glob() {
+    #[allow(unused_variables)]
+    let bar = || "inner_block";
+
+    // anonymous block
+    mod inner {
+        use super::*;
+        pub fn call_bar() -> &'static str {
+            bar()
+        }
+    }
+
+    assert_eq!(inner::call_bar(), "outer");
+}