Give ASAN some more stack

When compiling CMAKE_BUILD_TYPE=Debug WITH_ASAN using clang-7 -O2
the following tests could fail due to insufficient stack size:
main.signal_demo3 sys_vars.max_sp_recursion_depth_func

include/my_pthread.h

 /* Copyright (c) 2000, 2014, Oracle and/or its affiliates.
-   Copyright (c) 2009, 2017, MariaDB Corporation.
+   Copyright (c) 2009, 2019, MariaDB Corporation.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -692,9 +692,9 @@ extern void my_mutex_end(void);
   with the current number of keys and key parts.
 */
 #ifdef __SANITIZE_ADDRESS__
-#define DEFAULT_THREAD_STACK	(364*1024L)
+#define DEFAULT_THREAD_STACK	(383*1024L) /* 392192 */
 #else
-#define DEFAULT_THREAD_STACK	(292*1024L)
+#define DEFAULT_THREAD_STACK	(292*1024L) /* 299008 */
 #endif
 #endif
 

mysql-test/main/mysqld--help.test

@@ -57,7 +57,7 @@ perl;
     # fixes for 32-bit
     s/\b4294967295\b/18446744073709551615/;
     s/\b2146435072\b/9223372036853727232/;
-    s/\b372736\b/299008/;
+    s/\b392192\b/299008/;
     s/\b4294963200\b/18446744073709547520/;
     foreach $var (@env) { s/\Q$ENV{$var}\E/$var/ }
     next if /use --skip-(use-)?symbolic-links to disable/; # for valgrind, again

mysql-test/suite/sys_vars/inc/sysvars_server.inc

@@ -13,7 +13,7 @@ set sql_mode=ansi_quotes;
 set global div_precision_increment=5;
 
 --replace_regex /^\/\S+/PATH/
---replace_result $MASTER_MYPORT MASTER_MYPORT 372736 299008
+--replace_result $MASTER_MYPORT MASTER_MYPORT 392192 299008
 select * from information_schema.system_variables
   where variable_name not like 'aria%' and
         variable_name not like 'debug%' and

mysql-test/suite/sys_vars/t/thread_stack_basic.test

 #
 # only global
 #
---replace_result 372736 299008
+--replace_result 392192 299008
 select @@global.thread_stack;
 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 select @@session.thread_stack;
---replace_result 372736 299008
+--replace_result 392192 299008
 show global variables like 'thread_stack';
---replace_result 372736 299008
+--replace_result 392192 299008
 show session variables like 'thread_stack';
---replace_result 372736 299008
+--replace_result 392192 299008
 select * from information_schema.global_variables where variable_name='thread_stack';
---replace_result 372736 299008
+--replace_result 392192 299008
 select * from information_schema.session_variables where variable_name='thread_stack';
 
 #