Devin Coughlin 6b5a3d775e [Sema]Construct type refinement hierarchy for other source files ...

Resolving signatures of declarations from files other than the primary source
file causes first-pass type checking, including diagnostics for potential
unavailability, to be performed on those declarations. Prior to this commit, the
type refinement context hierarchy was only constructed for the primary file, so
spurious errors were emitted when checking declarations in other files. With
this commit, the availability checker builds the hierarchy for a source file the
first time its hierarchy is queried. We will eventually want to build the
hierarchy more lazily, but that will come later.

Swift SVN r25746

2015-03-04 05:36:48 +00:00

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