diff --git a/mysql-test/r/handler_myisam.result b/mysql-test/r/handler_myisam.result
index dde6a4586bc..90a1bdfe6be 100644
--- a/mysql-test/r/handler_myisam.result
+++ b/mysql-test/r/handler_myisam.result
@@ -741,3 +741,19 @@ USE information_schema;
 HANDLER COLUMNS OPEN;
 ERROR HY000: Incorrect usage of HANDLER OPEN and information_schema
 USE test;
+#
+# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+#
+CREATE TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1;
+HANDLER t1 OPEN;
+TRUNCATE t1;
+HANDLER t1 READ FIRST;
+ERROR 42S02: Unknown table 't1' in HANDLER
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/t/handler_myisam.test b/mysql-test/t/handler_myisam.test
index 644c28de5b2..da02a90af0f 100644
--- a/mysql-test/t/handler_myisam.test
+++ b/mysql-test/t/handler_myisam.test
@@ -19,3 +19,22 @@ let $other_engine_type= MEMORY;
 let $other_handler_engine_type= MyISAM;
 
 --source include/handler.inc
+
+--echo #
+--echo # BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash 
+--echo #
+CREATE TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1; 
+HANDLER t1 OPEN;
+TRUNCATE t1;
+--error ER_UNKNOWN_TABLE
+HANDLER t1 READ FIRST;
+DROP TABLE t1;
+
+--echo End of 5.1 tests
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index 0d4bf3f0b8f..d2f90fa9288 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -1066,6 +1066,10 @@ bool mysql_truncate(THD *thd, TABLE_LIST *table_list, bool dont_send_ok)
   DBUG_ENTER("mysql_truncate");
 
   bzero((char*) &create_info,sizeof(create_info));
+
+  /* Remove tables from the HANDLER's hash. */
+  mysql_ha_rm_tables(thd, table_list, FALSE);
+
   /* If it is a temporary table, close and regenerate it */
   if (!dont_send_ok && (table= find_temporary_table(thd, table_list)))
   {