The method With_element::reset_for_exec was not called in non-debug

builds.

Author: igorbabaev

mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result

@@ -2165,6 +2165,20 @@ NUMERIC_BLOCK_SIZE	1
 ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
+VARIABLE_NAME	MAX_RECURSION_LEVEL
+SESSION_VALUE	4294967295
+GLOBAL_VALUE	4294967295
+GLOBAL_VALUE_ORIGIN	COMPILE-TIME
+DEFAULT_VALUE	4294967295
+VARIABLE_SCOPE	SESSION
+VARIABLE_TYPE	BIGINT UNSIGNED
+VARIABLE_COMMENT	Maximum number of iterations when executing recursive queries
+NUMERIC_MIN_VALUE	0
+NUMERIC_MAX_VALUE	4294967295
+NUMERIC_BLOCK_SIZE	1
+ENUM_VALUE_LIST	NULL
+READ_ONLY	NO
+COMMAND_LINE_ARGUMENT	OPTIONAL
 VARIABLE_NAME	MAX_RELAY_LOG_SIZE
 SESSION_VALUE	1073741824
 GLOBAL_VALUE	1073741824
@@ -4419,6 +4433,20 @@ NUMERIC_BLOCK_SIZE	NULL
 ENUM_VALUE_LIST	NULL
 READ_ONLY	YES
 COMMAND_LINE_ARGUMENT	REQUIRED
+VARIABLE_NAME	STANDARDS_COMPLIANT_CTE
+SESSION_VALUE	ON
+GLOBAL_VALUE	ON
+GLOBAL_VALUE_ORIGIN	COMPILE-TIME
+DEFAULT_VALUE	ON
+VARIABLE_SCOPE	SESSION
+VARIABLE_TYPE	BOOLEAN
+VARIABLE_COMMENT	Allow only standards compiant CTE
+NUMERIC_MIN_VALUE	NULL
+NUMERIC_MAX_VALUE	NULL
+NUMERIC_BLOCK_SIZE	NULL
+ENUM_VALUE_LIST	OFF,ON
+READ_ONLY	NO
+COMMAND_LINE_ARGUMENT	OPTIONAL
 VARIABLE_NAME	STORAGE_ENGINE
 SESSION_VALUE	MyISAM
 GLOBAL_VALUE	MyISAM

sql/sql_union.cc

@@ -1349,10 +1349,10 @@ void st_select_lex_unit::reinit_exec_mechanism()
       */
       field->fixed= 0;
     }
-    if (with_element && with_element->is_recursive)
-      with_element->reset_for_exec();
   }
 #endif
+  if (with_element && with_element->is_recursive)
+    with_element->reset_for_exec();
 }