Joe 3938d5682a [SE-0095] [Runtime], [Demangler], & AST printer updated to new composition syntax ...

- All parts of the compiler now use ‘P1 & P2’ syntax
- The demangler and AST printer wrap the composition in parens if it is
in a metatype lookup
- IRGen mangles compositions differently
    - “protocol<>” is now “swift.Any”
    - “protocol<_TP1P,_TP1Q>” is now “_TP1P&_TP1Q”
- Tests cases are updated and added to test the new syntax and mangling

2016-07-19 12:01:37 -07:00

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