./mtr --do-test=ctype --mysqld=--innodb_prefix_index_cluster_optimization=ON
|
...
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2017-03-14 14:48:08 700001c51000 InnoDB: Assertion failure in thread 123145332002816 in file row0sel.cc line 2717
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InnoDB: Failing assertion: len * templ->mbmaxlen >= templ->mysql_col_len || (field_no == templ->icp_rec_field_no && field->prefix_len > 0)
|
...
|
Failing test(s): main.ctype_utf8 main.ctype_utf8mb4 main.ctype_utf8mb4_innodb
|
This is a parallel bug to https://github.com/facebook/mysql-5.6/issues/568, but appears to be less serious, as Facebook patch silently returns wrong query results too, whereas MariaDB only crashes the debug build. I don't know if these testcases return correct results in the release build.
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