Fix leaking immediate children and types via glob imports

src/test/compile-fail/issue-4366.rs

@@ -23,8 +23,8 @@ mod a {
     }
     pub mod sub {
         use a::b::*;
-        fn sub() -> bar { foo(); 1 } //~ ERROR: unresolved name: foo
-        //~^ ERROR: unresolved name: bar
+        fn sub() -> bar { foo(); 1 } //~ ERROR: unresolved name: `foo`
+        //~^ ERROR: use of undeclared type name `bar`
     }
 }
 
@@ -34,6 +34,6 @@ mod m1 {
 use m1::*;
 
 fn main() {
-    foo(); //~ ERROR: unresolved name: foo
+    foo(); //~ ERROR: unresolved name: `foo`
 }