Regression test for #4254

Closes #4254

Author: ayazhafiz

Diff for: tests/source/issue-4254.rs

@@ -0,0 +1,11 @@
+mod d;
+mod f;
+mod s;
+mod r#if;
+mod r#else;
+
+use d::*;
+use f::*;
+use s::*;
+use r#if::*;
+use r#else::*;

Diff for: tests/target/issue-4254.rs

@@ -0,0 +1,11 @@
+mod d;
+mod r#else;
+mod f;
+mod r#if;
+mod s;
+
+use d::*;
+use r#else::*;
+use f::*;
+use r#if::*;
+use s::*;