Ensure we don't assert with debug binaries if SHOW INNODB STATUS returns with an error.

sql/handler.cc:
  SHOW INNODB STATUS sometimes returns 0 even if it has generated an error.
  This code is here to catch it until InnoDB some day is fixed.
storage/innobase/handler/ha_innodb.cc:
  Catch at least one of the possible errors from SHOW INNODB STATUS to provide a correct return code.
storage/xtradb/handler/ha_innodb.cc:
  Catch at least one of the possible errors from SHOW INNODB STATUS to provide a correct return code.
support-files/my-huge.cnf.sh:
  Fixed typo

sql/handler.cc

@@ -4800,10 +4800,14 @@ bool ha_show_status(THD *thd, handlerton *db_type, enum ha_stat_type stat)
               db_type->show_status(db_type, thd, stat_print, stat) ? 1 : 0;
   }
 
-  if (!result)
+  /*
+    We also check thd->is_error() as Innodb may return 0 even if
+    there was an error.
+  */
+  if (!result && !thd->is_error())
     my_eof(thd);
   else if (!thd->is_error())
-    my_error(ER_GET_ERRNO, MYF(0), 0);
+    my_error(ER_GET_ERRNO, MYF(0), errno);
   return result;
 }
 

storage/innobase/handler/ha_innodb.cc

@@ -9576,6 +9576,7 @@ innodb_show_status(
 	const long		MAX_STATUS_SIZE = 1048576;
 	ulint			trx_list_start = ULINT_UNDEFINED;
 	ulint			trx_list_end = ULINT_UNDEFINED;
+        bool res;
 
 	DBUG_ENTER("innodb_show_status");
 	DBUG_ASSERT(hton == innodb_hton_ptr);
@@ -9639,12 +9640,13 @@ innodb_show_status(
 
 	mutex_exit(&srv_monitor_file_mutex);
 
-	stat_print(thd, innobase_hton_name, (uint) strlen(innobase_hton_name),
-		   STRING_WITH_LEN(""), str, flen);
+	res= stat_print(thd, innobase_hton_name,
+                        (uint) strlen(innobase_hton_name),
+                        STRING_WITH_LEN(""), str, flen);
 
 	my_free(str);
 
-	DBUG_RETURN(FALSE);
+	DBUG_RETURN(res);
 }
 
 /************************************************************************//**

storage/xtradb/handler/ha_innodb.cc

@@ -10475,6 +10475,7 @@ innodb_show_status(
 	const long		MAX_STATUS_SIZE = 1048576;
 	ulint			trx_list_start = ULINT_UNDEFINED;
 	ulint			trx_list_end = ULINT_UNDEFINED;
+        bool res;
 
 	DBUG_ENTER("innodb_show_status");
 	DBUG_ASSERT(hton == innodb_hton_ptr);
@@ -10538,12 +10539,13 @@ innodb_show_status(
 
 	mutex_exit(&srv_monitor_file_mutex);
 
-	stat_print(thd, innobase_hton_name, (uint) strlen(innobase_hton_name),
-		   STRING_WITH_LEN(""), str, flen);
+	res= stat_print(thd, innobase_hton_name,
+                        (uint) strlen(innobase_hton_name),
+                        STRING_WITH_LEN(""), str, flen);
 
 	my_free(str);
 
-	DBUG_RETURN(FALSE);
+	DBUG_RETURN(res);
 }
 
 /************************************************************************//**

support-files/my-huge.cnf.sh

@@ -121,7 +121,7 @@ server-id	= 1
 # Uncomment the following if you are using InnoDB tables
 #innodb_data_home_dir = @localstatedir@
 #innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend
-o#innodb_log_group_home_dir = @localstatedir@
+#innodb_log_group_home_dir = @localstatedir@
 # You can set .._buffer_pool_size up to 50 - 80 %
 # of RAM but beware of setting memory usage too high
 #innodb_buffer_pool_size = 384M