Allow to have different types for arguments of Rustc::remap_path_prefix

src/tools/run-make-support/src/rustc.rs

@@ -107,7 +107,11 @@ pub fn extern_<P: AsRef<Path>>(&mut self, crate_name: &str, path: P) -> &mut Sel
     }
 
     /// Remap source path prefixes in all output.
-    pub fn remap_path_prefix<P: AsRef<Path>>(&mut self, from: P, to: P) -> &mut Self {
+    pub fn remap_path_prefix<P: AsRef<Path>, P2: AsRef<Path>>(
+        &mut self,
+        from: P,
+        to: P2,
+    ) -> &mut Self {
         let from = from.as_ref().to_string_lossy();
         let to = to.as_ref().to_string_lossy();