swift234

SIL: Fix up the parsing of generic apply insts.

Now that SILFunctionTypes are decontextualized, we have a prayer of parsing SIL that uses generic functions. Fix up the parsing code for ApplyInst and PartialApplyInst so that it consumes the closing '>' after a substitution list and properly computes the substituted function type before resolving the types of the instruction operands.

Swift SVN r13777