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MDEV-23680 Assertion `data' failed in crcr32_calc_pclmulqdq

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Fix DBUG_ASSERT
This commit is contained in:
Vladislav Vaintroub 2020-09-07 12:08:26 +02:00
commit 30ff616403
3 changed files with 12 additions and 1 deletions
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6
mysql-test/main/func_math.result
View file

@ -3591,5 +3591,11 @@ t2 CREATE TABLE `t2` (
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2, t1;
#
# MDEV-23680 Assertion `data' failed in crcr32_calc_pclmulqdq
#
SELECT CRC32(ExtractValue('<a><b/></a>', '/a/b')) AS f;
f
0
#
# End of 10.5 tests
#

5
mysql-test/main/func_math.test
View file

@ -1883,6 +1883,11 @@ CREATE TABLE t2 AS SELECT UUID_SHORT() - a FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2, t1;
--echo #
--echo # MDEV-23680 Assertion `data' failed in crcr32_calc_pclmulqdq
--echo #
SELECT CRC32(ExtractValue('<a><b/></a>', '/a/b')) AS f;
--echo #
--echo # End of 10.5 tests

2
mysys/crc32/crc32_x86.c
View file

@ -219,7 +219,7 @@ static inline uint32_t crcr32_calc_pclmulqdq(const uint8_t *data, uint32_t data_
__m128i temp, fold, k;
uint32_t n;
DBUG_ASSERT(data);
DBUG_ASSERT(data != NULL || data_len == 0);
DBUG_ASSERT(params);
if (unlikely(data_len == 0))