swift234

SIL Serializer: vtable can trigger serialiation of a SILFunction declaration.

Also add serialization of resilience attributes: Fragile, InherentlyFragile
and Resilient. Serialize VTables before SILFunctions because it may trigger
serializations of non-transparent SILFunctions.

Update funcOrOffset and vTableOrOffset when a SILFunction or a VTable is
de-serialized.

rdar://15165644


Swift SVN r9926