swift

19c51e2a - Merge pull request #79872 from WeZZard/bugfix/unchecked-ref-casting-with-optional-any-object

Merge pull request #79872 from WeZZard/bugfix/unchecked-ref-casting-with-optional-any-object [SILOptimizer] Fixes the ValueDefUseWalker to handle potential unchecked_ref_cast between optional and non-optional class types.