Enforce strict attribute checking

crates/macro-support/src/parser.rs

@@ -94,7 +94,6 @@ macro_rules! methods {
     ($(($name:ident, $variant:ident($($contents:tt)*)),)*) => {
         $(methods!(@method $name, $variant($($contents)*));)*
 
-        #[cfg(feature = "strict-macro")]
         fn check_used(self) -> Result<(), Diagnostic> {
             // Account for the fact this method was called
             ATTRS.with(|state| state.checks.set(state.checks.get() + 1));
@@ -104,26 +103,13 @@ macro_rules! methods {
                 if used.get() {
                     continue
                 }
-                // The check below causes rustc to crash on powerpc64 platforms
-                // with an LLVM error. To avoid this, we instead use #[cfg()]
-                // and duplicate the function below. See #58516 for details.
-                /*if !cfg!(feature = "strict-macro") {
-                    continue
-                }*/
                 let span = match attr {
                     $(BindgenAttr::$variant(span, ..) => span,)*
                 };
                 errors.push(Diagnostic::span_error(*span, "unused #[wasm_bindgen] attribute"));
             }
             Diagnostic::from_vec(errors)
         }
-
-        #[cfg(not(feature = "strict-macro"))]
-        fn check_used(self) -> Result<(), Diagnostic> {
-            // Account for the fact this method was called
-            ATTRS.with(|state| state.checks.set(state.checks.get() + 1));
-            Ok(())
-        }
     };
 
     (@method $name:ident, $variant:ident(Span, String, Span)) => {

crates/macro/Cargo.toml

@@ -25,5 +25,5 @@ quote = "1.0"
 
 [dev-dependencies]
 trybuild = "1.0"
-wasm-bindgen = { path = "../..", version = "0.2.82", features = ['strict-macro'] }
+wasm-bindgen = { path = "../..", version = "0.2.82" }
 wasm-bindgen-futures = { path = "../futures", version = "0.4.32" }