diff --git a/mysql-test/r/lowercase_table2.result b/mysql-test/r/lowercase_table2.result
index c9a46b70fab..ee555a9006c 100644
--- a/mysql-test/r/lowercase_table2.result
+++ b/mysql-test/r/lowercase_table2.result
@@ -175,3 +175,33 @@ TABLE_SCHEMA	TABLE_NAME
 mysqltest_lc2	myUC
 use test;
 drop database mysqltest_LC2;
+#
+# Bug #11758687: 50924: object names not resolved correctly 
+#   on lctn2 systems
+#
+CREATE DATABASE BUP_XPFM_COMPAT_DB2;
+CREATE TABLE BUP_XPFM_COMPAT_DB2.TABLE2 (c13 INT) DEFAULT CHARSET latin1;
+CREATE TABLE BUP_XPFM_COMPAT_DB2.table1 (c13 INT) DEFAULT CHARSET latin1;
+CREATE TABLE bup_xpfm_compat_db2.table3 (c13 INT) DEFAULT CHARSET latin1;
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.trigger1 AFTER INSERT
+ON BUP_XPFM_COMPAT_DB2.table1 FOR EACH ROW
+update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TRIGGER2 AFTER INSERT
+ON BUP_XPFM_COMPAT_DB2.TABLE2 FOR EACH ROW
+update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TrigGer3 AFTER INSERT
+ON BUP_XPFM_COMPAT_DB2.TaBle3 FOR EACH ROW
+update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+SELECT trigger_schema, trigger_name, event_object_table FROM
+INFORMATION_SCHEMA.TRIGGERS
+WHERE trigger_schema COLLATE utf8_bin = 'BUP_XPFM_COMPAT_DB2'
+  ORDER BY trigger_schema, trigger_name;
+trigger_schema	trigger_name	event_object_table
+BUP_XPFM_COMPAT_DB2	trigger1	table1
+BUP_XPFM_COMPAT_DB2	TRIGGER2	TABLE2
+BUP_XPFM_COMPAT_DB2	TrigGer3	table3
+DROP DATABASE BUP_XPFM_COMPAT_DB2;
+End of 5.1 tests
diff --git a/mysql-test/t/lowercase_table2.test b/mysql-test/t/lowercase_table2.test
index 521df01cc9b..b595d4b1775 100644
--- a/mysql-test/t/lowercase_table2.test
+++ b/mysql-test/t/lowercase_table2.test
@@ -150,3 +150,40 @@ select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES
 where TABLE_SCHEMA ='mysqltest_LC2';
 use test;
 drop database mysqltest_LC2;
+
+
+--echo #
+--echo # Bug #11758687: 50924: object names not resolved correctly 
+--echo #   on lctn2 systems
+--echo #
+
+CREATE DATABASE BUP_XPFM_COMPAT_DB2;
+
+CREATE TABLE BUP_XPFM_COMPAT_DB2.TABLE2 (c13 INT) DEFAULT CHARSET latin1;
+CREATE TABLE BUP_XPFM_COMPAT_DB2.table1 (c13 INT) DEFAULT CHARSET latin1;
+CREATE TABLE bup_xpfm_compat_db2.table3 (c13 INT) DEFAULT CHARSET latin1;
+
+delimiter |;
+#
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.trigger1 AFTER INSERT
+  ON BUP_XPFM_COMPAT_DB2.table1 FOR EACH ROW
+  update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TRIGGER2 AFTER INSERT
+  ON BUP_XPFM_COMPAT_DB2.TABLE2 FOR EACH ROW
+  update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TrigGer3 AFTER INSERT
+  ON BUP_XPFM_COMPAT_DB2.TaBle3 FOR EACH ROW
+  update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
+|
+delimiter ;|
+
+SELECT trigger_schema, trigger_name, event_object_table FROM
+INFORMATION_SCHEMA.TRIGGERS
+  WHERE trigger_schema COLLATE utf8_bin = 'BUP_XPFM_COMPAT_DB2'
+  ORDER BY trigger_schema, trigger_name;
+
+DROP DATABASE BUP_XPFM_COMPAT_DB2;
+
+--echo End of 5.1 tests
diff --git a/mysys/my_net.c b/mysys/my_net.c
index e2cc0679134..820abf32386 100644
--- a/mysys/my_net.c
+++ b/mysys/my_net.c
@@ -111,11 +111,12 @@ extern pthread_mutex_t LOCK_gethostbyname_r;
   is finished with the structure.
 */
 
-struct hostent *my_gethostbyname_r(const char *name,
-				   struct hostent *result __attribute__((unused)),
-                                   char *buffer __attribute__((unused)),
-				   int buflen __attribute__((unused)),
-                                   int *h_errnop)
+struct hostent *
+my_gethostbyname_r(const char *name,
+                   struct hostent *result __attribute__((unused)), 
+                   char *buffer __attribute__((unused)),
+                   int buflen __attribute__((unused)), 
+                   int *h_errnop)
 {
   struct hostent *hp;
   pthread_mutex_lock(&LOCK_gethostbyname_r);
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 1524a8fb87f..5b835096042 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -3399,6 +3399,12 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
   it.rewind(); /* To get access to new elements in basis list */
   while ((db_name= it++))
   {
+    LEX_STRING orig_db_name;
+
+    /* db_name can be changed in make_table_list() func */
+    if (!thd->make_lex_string(&orig_db_name, db_name->str,
+                              db_name->length, FALSE))
+      goto err;
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
     if (!(check_access(thd,SELECT_ACL, db_name->str, 
                        &thd->col_access, 0, 1, with_i_schema) ||
@@ -3461,17 +3467,13 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
             }
 
             int res;
-            LEX_STRING tmp_lex_string, orig_db_name;
+            LEX_STRING tmp_lex_string;
             /*
               Set the parent lex of 'sel' because it is needed by
               sel.init_query() which is called inside make_table_list.
             */
             thd->no_warnings_for_error= 1;
             sel.parent_lex= lex;
-            /* db_name can be changed in make_table_list() func */
-            if (!thd->make_lex_string(&orig_db_name, db_name->str,
-                                      db_name->length, FALSE))
-              goto err;
             if (make_table_list(thd, &sel, db_name, table_name))
               goto err;
             TABLE_LIST *show_table_list= sel.table_list.first;