swift

a890c601 - [sending] Do not mangle shared into function signatures if they are paired with sending.

[sending] Do not mangle shared into function signatures if they are paired with sending. I am doing this b/c we are going to ban borrowing sending so that we can leave open that space for further design. In the short term, we need the ability to create +0 sending parameters without messing with mangling. By special casing this, we get what we want. rdar://129116141