Commits
Dmitri Hrybenko committed 0441ddb4b37
Revert "[sil-combine] ({struct_extract,unchecked_enum_data} (unchecked_ref_bit_cast)) -> unchecked_ref_bit_cast when the two instructions are just layout compatible bit casts."
This reverts commit r21164.
This commit broke building precommit benchmarks.
Swift SVN r21169