Copy port from headless test server when using WASM_BINDGEN_TEST_ADDRESS

crates/cli-support/src/js/mod.rs

@@ -1768,6 +1768,7 @@ impl<'a> Context<'a> {
         self.memview("Float64", memory)
     }
 
+    #[allow(dead_code)]
     fn memview_function(&mut self, t: VectorKind, memory: MemoryId) -> MemView {
         match t {
             VectorKind::String => self.expose_uint8_memory(memory),

crates/cli/src/bin/wasm-bindgen-test-runner/headless.rs

@@ -121,8 +121,14 @@ pub fn run(server: &SocketAddr, shell: &Shell, timeout: u64) -> Result<(), Error
 
     // Visit our local server to open up the page that runs tests, and then get
     // some handles to objects on the page which we'll be scraping output from.
-    let url =
-        std::env::var("WASM_BINDGEN_TEST_ADDRESS").unwrap_or_else(|_| format!("http://{}", server));
+    let url = match std::env::var("WASM_BINDGEN_TEST_ADDRESS") {
+        Ok(u) => {
+            let mut url = Url::parse(&u)?;
+            let _ = url.set_port(url.port().or(Some(server.port())));
+            url.as_str().to_owned()
+        }
+        Err(_) => format!("http://{}", server),
+    };
     shell.status(&format!("Visiting {}...", url));
     client.goto(&id, &url)?;
     shell.status("Loading page elements...");

crates/cli/src/bin/wasm-bindgen.rs

@@ -63,6 +63,7 @@ struct Args {
     flag_no_modules_global: Option<String>,
     flag_remove_name_section: bool,
     flag_remove_producers_section: bool,
+    #[allow(dead_code)]
     flag_weak_refs: Option<bool>,
     flag_reference_types: Option<bool>,
     flag_keep_lld_exports: bool,