mariadb/mysql-test/include/maybe_debug.combinations

[debug]
--enable-gdb

[release]
--disable-gdb
MDEV-15409 make sure every sst script is tested in buildbot galera SST tests have a debug part, but we don't want to limit them to fulltest2 builder. So, add support for test files that have a debug part: * add maybe_debug.inc and maybe_debug.combinations * 'debug' combination is run when debug is available * 'release' combination is run otherwise * test wraps debug parts in if($with_debug) { ... } * and creates ,debug.rdiff for debug results 2018-03-22 13:48:31 +01:00			`[debug]`
			`--enable-gdb`

			`[release]`
			`--disable-gdb`