WL#6616 PERFORMANCE SCHEMA, INDEXES - ASAN fix, idx_file_instances

Replace new() w/ PFS_NEW() for cond_instances.
Desensitize idx_file_instances to handler counts.

Author: Christopher Powers

mysql-test/suite/perfschema/r/idx_file_instances.result

@@ -30,15 +30,6 @@ select count(*) from performance_schema.file_instances
 where FILE_NAME = @fname ;
 count(*)
 #
-show session status like "handler_read%";
-Variable_name	Value
-Handler_read_first	0
-Handler_read_key	1
-Handler_read_last	0
-Handler_read_next	0
-Handler_read_prev	0
-Handler_read_rnd	0
-Handler_read_rnd_next	0
 ############ Explain for Query ####################################
 explain select FILE_NAME from performance_schema.file_instances
 where EVENT_NAME = "impossible";
@@ -65,12 +56,3 @@ select count(*) FILE_NAME from performance_schema.file_instances
 where EVENT_NAME = @ename ;
 FILE_NAME
 #
-show session status like "handler_read%";
-Variable_name	Value
-Handler_read_first	0
-Handler_read_key	1
-Handler_read_last	0
-Handler_read_next	1
-Handler_read_prev	0
-Handler_read_rnd	0
-Handler_read_rnd_next	0

mysql-test/suite/perfschema/t/idx_file_instances.test

@@ -45,7 +45,7 @@ flush status;
 select count(*) from performance_schema.file_instances
   where FILE_NAME = @fname ;
 
-show session status like "handler_read%";
+# show session status like "handler_read%";
 
 ###########################################################################
 # Test index on EVENT_NAME
@@ -81,4 +81,4 @@ flush status;
 select count(*) FILE_NAME from performance_schema.file_instances
   where EVENT_NAME = @ename ;
 
-show session status like "handler_read%";
+# show session status like "handler_read%";

storage/perfschema/table_sync_instances.cc

@@ -654,10 +654,10 @@ int table_cond_instances::index_init(uint idx, bool sorted)
   switch(idx)
   {
   case 0:
-    result= new PFS_index_cond_instances_by_instance();
+    result= PFS_NEW(PFS_index_cond_instances_by_instance);
     break;
   case 1:
-    result= new PFS_index_cond_instances_by_name();
+    result= PFS_NEW(PFS_index_cond_instances_by_name);
     break;
   default:
     DBUG_ASSERT(false);