tests: Update syntax tests

Author: taiki-e

tests/run-pass/specialization.rs

@@ -7,46 +7,47 @@
 
 pub mod default_impl {
     // I don't feel `default impl` is the good feature to combine with ext trait, but test anyway.
+    // TODO: `default impl` became syntactically invalid in https://github.com/rust-lang/rust/pull/144386#issuecomment-3133213586
 
     // https://github.com/rust-lang/rust/blob/1.84.0/tests/ui/specialization/defaultimpl/auxiliary/go_trait.rs
     pub mod go_trait {
-        use easy_ext::ext;
-
-        pub trait Go {
-            fn go(&self, arg: isize);
-        }
-
-        pub fn go<G: Go>(this: &G, arg: isize) {
-            this.go(arg)
-        }
-
-        pub fn go_mut<G: GoMut>(this: &mut G, arg: isize) {
-            this.go_mut(arg)
-        }
-
-        pub fn go_once<G: GoOnce>(this: G, arg: isize) {
-            this.go_once(arg)
-        }
-
-        #[ext(GoMut)]
-        pub default impl<G> G
-        where
-            G: Go,
-        {
-            fn go_mut(&mut self, arg: isize) {
-                go(&*self, arg)
-            }
-        }
-
-        #[ext(GoOnce)]
-        pub default impl<G> G
-        where
-            G: GoMut,
-        {
-            fn go_once(mut self, arg: isize) {
-                go_mut(&mut self, arg)
-            }
-        }
+        // use easy_ext::ext;
+
+        // pub trait Go {
+        //     fn go(&self, arg: isize);
+        // }
+
+        // pub fn go<G: Go>(this: &G, arg: isize) {
+        //     this.go(arg)
+        // }
+
+        // pub fn go_mut<G: GoMut>(this: &mut G, arg: isize) {
+        //     this.go_mut(arg)
+        // }
+
+        // pub fn go_once<G: GoOnce>(this: G, arg: isize) {
+        //     this.go_once(arg)
+        // }
+
+        // #[ext(GoMut)]
+        // pub default impl<G> G
+        // where
+        //     G: Go,
+        // {
+        //     fn go_mut(&mut self, arg: isize) {
+        //         go(&*self, arg)
+        //     }
+        // }
+
+        // #[ext(GoOnce)]
+        // pub default impl<G> G
+        // where
+        //     G: GoMut,
+        // {
+        //     fn go_once(mut self, arg: isize) {
+        //         go_mut(&mut self, arg)
+        //     }
+        // }
     }
 }
 

tests/test.rs

@@ -329,8 +329,9 @@ fn assoc_ty() {
 #[allow(clippy::let_underscore_future)]
 #[test]
 fn syntax() {
+    // TODO: `unsafe impl` became syntactically invalid in https://github.com/rust-lang/rust/pull/144386#issuecomment-3133213586
     #[ext(E1)]
-    unsafe impl str {
+    impl str {
         fn normal(&self) {}
         unsafe fn unsafety(&self) {}
         extern "C" fn abi1() {}
@@ -351,7 +352,7 @@ fn syntax() {
     };
 
     struct S {}
-    unsafe impl E1 for S {
+    impl E1 for S {
         fn normal(&self) {}
         unsafe fn unsafety(&self) {}
         extern "C" fn abi1() {}