This fixes bug #11080: Multi-row REPLACE fails on a duplicate key error
mysql-test/r/auto_increment.result:
New tests for auto-increment and replace
mysql-test/r/innodb.result:
New tests for auto-increment and replace
mysql-test/t/auto_increment.test:
New tests for auto-increment and replace
mysql-test/t/innodb.test:
New tests for auto-increment and replace
mysys/my_alloc.c:
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