report pat no field error no recoverd struct variant

Author: chenyukang

compiler/rustc_hir_typeck/src/pat.rs

@@ -1530,7 +1530,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
             .filter(|(_, ident)| !used_fields.contains_key(ident))
             .collect::<Vec<_>>();
 
-        let inexistent_fields_err = if !(inexistent_fields.is_empty() || variant.is_recovered())
+        let inexistent_fields_err = if !inexistent_fields.is_empty()
             && !inexistent_fields.iter().any(|field| field.ident.name == kw::Underscore)
         {
             Some(self.error_inexistent_fields(

tests/ui/parser/recovered-struct-variant.stderr

@@ -6,5 +6,12 @@ LL |     A { a, b: usize }
    |     |
    |     while parsing this struct
 
-error: aborting due to 1 previous error
+error[E0026]: variant `Foo::A` does not have fields named `a`, `b`
+  --> $DIR/recovered-struct-variant.rs:11:17
+   |
+LL |         Foo::A {a, b} => {}
+   |                 ^  ^ variant `Foo::A` does not have these fields
+
+error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0026`.

tests/ui/pattern/issue-66270-pat-struct-parser-recovery.stderr

@@ -6,5 +6,12 @@ LL | struct Bug {
 LL |     incorrect_field: 0,
    |                      ^ expected type
 
-error: aborting due to 1 previous error
+error[E0026]: struct `Bug` does not have a field named `any_field`
+  --> $DIR/issue-66270-pat-struct-parser-recovery.rs:12:9
+   |
+LL |         any_field: Empty {},
+   |         ^^^^^^^^^ struct `Bug` does not have this field
+
+error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0026`.