fix interpreter test

Author: martin-luecke

mlir/test/Rewrite/pdl-bytecode.mlir

@@ -106,9 +106,14 @@ module @ir attributes { test.apply_constraint_3 } {
 // Test support for negated constraints.
 module @patterns {
   pdl_interp.func @matcher(%root : !pdl.operation) {
-    pdl_interp.apply_constraint "single_entity_constraint"(%root : !pdl.operation) {isNegated = true} -> ^pat, ^end
+    %test_attr = pdl_interp.create_attribute unit
+    %attr = pdl_interp.get_attribute "test_attr" of %root
+    pdl_interp.are_equal %test_attr, %attr : !pdl.attribute -> ^pat, ^end
 
   ^pat:
+    pdl_interp.apply_constraint "single_entity_constraint"(%root : !pdl.operation) {isNegated = true} -> ^pat1, ^end
+
+  ^pat1:
     pdl_interp.record_match @rewriters::@success(%root : !pdl.operation) : benefit(1), loc([%root]) -> ^end
 
   ^end:
@@ -129,8 +134,8 @@ module @patterns {
 // CHECK: "test.replaced_by_pattern"
 
 module @ir attributes { test.apply_constraint_4 } {
-  "test.op"() : () -> ()
-  "test.foo"() : () -> ()
+  "test.op"() { test_attr } : () -> ()
+  "test.foo"() { test_attr } : () -> ()
 }
 
 // -----