ASAN: use-after-poison or unknown-crash in my_strtod_int from charset_info_st::strntod or test_if_number, and UBSAN: signed integer overflow: X * Y cannot be represented in type 'long long int' in sql/sql_analyse.cc

CREATE TABLE t (c BLOB) ENGINE=InnoDB;

INSERT INTO t VALUES ('0.0e'),('0.0e+0');

SELECT * FROM t WHERE COALESCE(c)=0.0;

==2353529==ERROR: AddressSanitizer: use-after-poison on address 0x6290000a528e at pc 0x557084c2e7f0 bp 0x145fcffbb450 sp 0x145fcffbb440

SUMMARY: AddressSanitizer: use-after-poison /test/10.9_opt_san/strings/dtoa.c:1476 in my_strtod_int

Compiled with GCC >=7.5.0 (I use GCC 9.4.0) and:

    -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON -DWITH_RAPID=OFF -DWSREP_LIB_WITH_ASAN=ON

Set before execution:

    export ASAN_OPTIONS=quarantine_size_mb=512:atexit=1:detect_invalid_pointer_pairs=3:dump_instruction_bytes=1:abort_on_error=1