SELECT * FROM ( SELECT -128 x ) ss GROUP BY x HAVING x = 'x' AND x = ( ( ( x ) IS NULL ) ) ;

mariadbd(my_print_stacktrace+0x32)[0x5645fde287c2]

mariadbd(handle_fatal_signal+0x488)[0x5645fd901cf8]

/lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7fb7d73c3520]

mariadbd(_Z21check_simple_equalityP3THDRKN12Value_source7ContextEP4ItemS6_P10COND_EQUAL+0x282)[0x5645fd6ddfc2]

mariadbd(_Z36and_new_conditions_to_optimized_condP3THDP4ItemPP10COND_EQUALR4ListIS1_EPNS1_11cond_resultE+0x188)[0x5645fd808328]

mariadbd(_ZN4JOIN14optimize_innerEv+0x152b)[0x5645fd70e9eb]

mariadbd(_ZN4JOIN8optimizeEv+0xda)[0x5645fd70ee2a]

mariadbd(_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0xd1)[0x5645fd70ef21]

mariadbd(_Z13handle_selectP3THDP3LEXP13select_resulty+0x154)[0x5645fd70f774]

mariadbd(+0x826f55)[0x5645fd682f55]

mariadbd(_Z21mysql_execute_commandP3THDb+0x419e)[0x5645fd691f0e]

mariadbd(_Z11mysql_parseP3THDPcjP12Parser_state+0x1e7)[0x5645fd693237]

mariadbd(_Z16dispatch_command19enum_server_commandP3THDPcjb+0x14bd)[0x5645fd695a1d]

mariadbd(_Z10do_commandP3THDb+0x138)[0x5645fd697818]

mariadbd(_Z24do_handle_one_connectionP7CONNECTb+0x3bf)[0x5645fd7bf3af]

mariadbd(handle_one_connection+0x5d)[0x5645fd7bf6fd]

mariadbd(+0xcd1906)[0x5645fdb2d906]

/lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7fb7d7415b43]

/lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7fb7d74a6bb4]

Trying to get some variables.

Some pointers may be invalid and cause the dump to abort.

Query (0x7fb7840130d8): SELECT * FROM ( SELECT -128 x ) ss GROUP BY x HAVING x = 'x' AND x = ( ( ( x ) IS NULL ) )

Connection ID (thread ID): 4

Status: NOT_KILLED

Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,hash_join_cardinality=on