--- a/mlir/test/IR/invalid.mlir	Wed Nov 09 17:47:54 2022 +0900
+++ b/mlir/test/IR/invalid.mlir	Fri Aug 18 09:04:13 2023 +0900
@@ -112,6 +112,14 @@
 
 // -----
 
+func.func @unknown_dialect_operation() {
+  // expected-error@below {{Dialect `foo' not found for custom op 'foo.asd'}}
+  // expected-note-re@below {{Registered dialects:{{.*}} test{{.*}}}}
+  foo.asd
+}
+
+// -----
+
 func.func @non_operation() {
   // expected-error@+1 {{custom op 'asd' is unknown (tried 'func.asd' as well)}}
   asd
@@ -361,7 +369,7 @@
 
 // -----
 
-func.func @dialect_type_missing_greater(!foo<) -> () { // expected-error {{unbalanced ')' character in pretty dialect name}}
+func.func @dialect_type_missing_greater(!foo<) -> () { // expected-error {{unbalanced '<' character in pretty dialect name}}
   return
 
 // -----
@@ -406,7 +414,7 @@
 
 // -----
 
-// expected-error @+1 {{unbalanced ']' character in pretty dialect name}}
+// expected-error @+1 {{unbalanced '<' character in pretty dialect name}}
 func.func @invalid_unknown_type_dialect_name() -> !invalid.dialect<!x@#]!@#>
 
 // -----
@@ -574,16 +582,11 @@
 
 // -----
 
-// expected-error @+1 {{unbalanced ')' character in pretty dialect name}}
+// expected-error @+1 {{unbalanced '<' character in pretty dialect name}}
 func.func @bad_arrow(%arg : !unreg.ptr<(i32)->)
 
 // -----
 
-// expected-error @+1 {{attribute 'attr' occurs more than once in the attribute list}}
-test.format_symbol_name_attr_op @name { attr = "xx" }
-
-// -----
-
 func.func @forward_reference_type_check() -> (i8) {
   cf.br ^bb2
 
@@ -643,7 +646,7 @@
 // expected at the end of foo, not on the return line.
 func.func @error_at_end_of_line() {
   // expected-error@+1 {{expected ':' followed by operation type}}
-  %0 = "foo"() 
+  %0 = "foo"()
   return
 }
 
@@ -652,7 +655,7 @@
 // This makes sure we emit an error at the end of the correct line, the : is
 // expected at the end of foo, not on the return line.
 func.func @error_at_end_of_line() {
-  %0 = "foo"() 
+  %0 = "foo"()
   // expected-error@-1 {{expected ':' followed by operation type}}
 
   // This is a comment and so is the thing above.