Rollup merge of #35331 - trixnz:update-error-130, r=jonathandturner

Update error format for E0130

Fixes #35256 as part of #35233

r? @jonathandturner

Author: GuillaumeGomez

src/librustc_passes/ast_validation.rs

@@ -169,6 +169,8 @@ impl<'a> Visitor for AstValidator<'a> {
                 self.check_decl_no_pat(decl, |span, is_recent| {
                     let mut err = struct_span_err!(self.session, span, E0130,
                                         "patterns aren't allowed in foreign function declarations");
+                    err.span_label(span, &format!("pattern not allowed in foreign function"));
+
                     if is_recent {
                         err.span_note(span, "this is a recent error, see \
                                              issue #35203 for more details");

src/test/compile-fail/E0130.rs

@@ -9,7 +9,9 @@
 // except according to those terms.
 
 extern {
-    fn foo((a, b): (u32, u32)); //~ ERROR E0130
+    fn foo((a, b): (u32, u32));
+    //~^ ERROR E0130
+    //~| NOTE pattern not allowed in foreign function
 }
 
 fn main() {