swift

c8284b01 - Revert "[sil-serializer] Do not use RPOT order for serializing SIL basic blocks"

Revert "[sil-serializer] Do not use RPOT order for serializing SIL basic blocks" This reverts commit 2f9ee20df2f7170dfdb0c13deaa4a5107c62c564. It broke some of the stdlib serialization tests. rdar://problem/27404044