swift

6d9ed1d2 - [CSSimplify] Allow conversions between tuple element type and a placeholder

[CSSimplify] Allow conversions between tuple element type and a placeholder If a placeholder appears on one of the side of tuple element matching conversion, consider that conversion to be solved, because the actual error is related to the placeholder. (cherry picked from commit 1c076f0e2b9bc3767916e7588c4f41b9a8983bcb)