Raise an exception when unserialization fails due to a missing class
Turning on warnings in "rake test" for railties
change merge to merge! in AS on new hashes
Merge pull request #10042 from choudhuryanupam/fix_activesupport_test

Added missing assert
Merge pull request #10041 from vipulnsward/more_destructive_merge

change merge to merge! in AS on new hashes
Use released sdoc
Fix #new with an STI object with complex inheritance
Merge pull request #10038 from nateberkopec/sti-new-with-complex-inheritance

Fix regression re: #new with an STI object & complex inheritance
replace #merge with relation API calls in calculations_test.
Merge pull request #10048 from senny/replace_merge_with_relation_calls_in_count_api

replace #merge with relation API calls in calculations_test.
no need to invoke to_s before applying intern
Remove all error masking when decoding serialized data fails?
Merge pull request #10050 from neerajdotname/no-need-of-to_s-before-intern

no need to invoke to_s before applying intern
Extract Firebird database tasks.
Extract Sqlserver database tasks.
Extract Oracle database tasks.
Add deprecation message on Firebird / Sqlserver / Oracle database tasks.
Suppress deprecation messages for deprecated database tasks, when executing rails's testcases.
write sql queries to terminal
Merge pull request #10052 from neerajdotname/stdout-in-log

write sql queries to terminal