Added resolve submodules with raw name

#1211

crates/ra_hir/src/nameres/collector.rs

@@ -643,6 +643,7 @@ fn resolve_submodule(
     let mod_name = path.file_stem().unwrap_or("unknown");
     let is_dir_owner = is_root || mod_name == "mod";
 
+    let name = resolve_mod_name(name.to_string());
     let file_mod = dir_path.join(format!("{}.rs", name));
     let dir_mod = dir_path.join(format!("{}/mod.rs", name));
     let file_dir_mod = dir_path.join(format!("{}/{}.rs", mod_name, name));
@@ -662,6 +663,14 @@ fn resolve_submodule(
     }
 }
 
+fn resolve_mod_name(name: String) -> String {
+    if name.starts_with("r#") {
+        name.replace("r#", "")
+    } else {
+        name
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use ra_db::SourceDatabase;