Fix warning: instance variable @optimizer_hints not initialized
Fix warning: instance variable @optimizer_hints not initialized

https://buildkite.com/rails/rails/builds/59622#924dff9d-85c2-4946-b264-a7e6ce01432c/122-130

vipulnsward/rails,Envek/rails,schuetzm/rails,tgxworld/rails,betesh/rails,tjschuck/rails,EmmaB/rails-1,prathamesh-sonpatki/rails,Envek/rails,jeremy/rails,palkan/rails,schuetzm/rails,MSP-Greg/rails,Erol/rails,shioyama/rails,kddeisz/rails,shioyama/rails,eileencodes/rails,yhirano55/rails,jeremy/rails,eileencodes/rails,fabianoleittes/rails,MSP-Greg/rails,Edouard-chin/rails,BlakeWilliams/rails,gauravtiwari/rails,repinel/rails,kmcphillips/rails,prathamesh-sonpatki/rails,Vasfed/rails,schuetzm/rails,lcreid/rails,Envek/rails,fabianoleittes/rails,Erol/rails,Vasfed/rails,yahonda/rails,EmmaB/rails-1,Stellenticket/rails,yalab/rails,betesh/rails,fabianoleittes/rails,repinel/rails,arunagw/rails,lcreid/rails,flanger001/rails,EmmaB/rails-1,esparta/rails,shioyama/rails,gauravtiwari/rails,flanger001/rails,notapatch/rails,kddeisz/rails,Vasfed/rails,yawboakye/rails,betesh/rails,starknx/rails,Stellenticket/rails,lcreid/rails,MSP-Greg/rails,yhirano55/rails,yhirano55/rails,eileencodes/rails,kddeisz/rails,jeremy/rails,kmcphillips/rails,flanger001/rails,repinel/rails,Stellenticket/rails,palkan/rails,tjschuck/rails,lcreid/rails,rails/rails,rafaelfranca/omg-rails,arunagw/rails,shioyama/rails,Edouard-chin/rails,georgeclaghorn/rails,prathamesh-sonpatki/rails,vipulnsward/rails,rails/rails,yawboakye/rails,Vasfed/rails,mechanicles/rails,esparta/rails,yahonda/rails,Erol/rails,gauravtiwari/rails,kmcphillips/rails,notapatch/rails,iainbeeston/rails,Envek/rails,Edouard-chin/rails,esparta/rails,vipulnsward/rails,yawboakye/rails,arunagw/rails,starknx/rails,joonyou/rails,esparta/rails,BlakeWilliams/rails,schuetzm/rails,yalab/rails,notapatch/rails,kddeisz/rails,yalab/rails,mechanicles/rails,eileencodes/rails,tgxworld/rails,Erol/rails,Stellenticket/rails,joonyou/rails,georgeclaghorn/rails,BlakeWilliams/rails,joonyou/rails,vipulnsward/rails,yalab/rails,rails/rails,MSP-Greg/rails,yawboakye/rails,mechanicles/rails,yhirano55/rails,arunagw/rails,bogdanvlviv/rails,palkan/rails,yahonda/rails,Edouard-chin/rails,bogdanvlviv/rails,yahonda/rails,betesh/rails,joonyou/rails,BlakeWilliams/rails,starknx/rails,prathamesh-sonpatki/rails,tjschuck/rails,rafaelfranca/omg-rails,flanger001/rails,iainbeeston/rails,tgxworld/rails,bogdanvlviv/rails,fabianoleittes/rails,tjschuck/rails,repinel/rails,kmcphillips/rails,tgxworld/rails,jeremy/rails,georgeclaghorn/rails,notapatch/rails,iainbeeston/rails,iainbeeston/rails,mechanicles/rails,georgeclaghorn/rails,rails/rails,palkan/rails,rafaelfranca/omg-rails,bogdanvlviv/rails