Unrolled build for rust-lang#117092

Rollup merge of rust-lang#117092 - matthewjasper:attribute-validation, r=compiler-errors

Add regression test for rust-lang#117058

The new behavior in nightly is correct, so add a test that it stays this way.

Closes rust-lang#117058

tests/ui/attributes/statement-attribute-validation.rs

@@ -0,0 +1,39 @@
+// test for #117058 - check that attributes are validated on various kinds of statements.
+
+struct A;
+
+fn func() {}
+
+fn main() {
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    if true {
+    } else {
+    }
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    (1);
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    match 1 {
+        _ => {}
+    }
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    while false {}
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    {}
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    A {};
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    func();
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    A;
+    #[allow(two-words)]
+    //~^ ERROR expected one of `(`, `,`, `::`, or `=`, found `-`
+    loop {}
+}

tests/ui/attributes/statement-attribute-validation.stderr

@@ -0,0 +1,56 @@
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:8:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:13:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:16:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:21:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:24:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:27:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:30:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:33:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: expected one of `(`, `,`, `::`, or `=`, found `-`
+  --> $DIR/statement-attribute-validation.rs:36:16
+   |
+LL |     #[allow(two-words)]
+   |                ^ expected one of `(`, `,`, `::`, or `=`
+
+error: aborting due to 9 previous errors
+