Joe Groff 8e1e6665a7 IRGen: Start a type verifier to fuzz static type info against runtime type info. ...

We've had a rash of bugs due to inconsistencies between how IRGen and the runtime think types are laid out. Add a '-verify-type-layout' mode to the frontend that causes IRGen to emit a bunch of code that compares its static assumptions against what the runtime value witness does.

Swift SVN r24918

2015-02-03 16:47:25 +00:00

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