John McCall a0a16d78d2 Implement the do/catch statement. Tests to follow. ...

This patch also introduces some SILGen infrastructure for
dividing the function into "ordinary" and "postmatter"
sections, with error-handling-like stuff going into the
final section.  Currently, this is largely undermined by
SILBuilder, but I'm going to fix that in a follow-up.

Swift SVN r26422

2015-03-23 02:08:26 +00:00

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