Slava Pestov e4626263c3 AST: More consistent definition of a 'local capture' ...

This commit adds a new ValueDecl::isLocalCapture() predicate and
uses it in the right places. The predicate is true if the
declaration is in local context, *or* if its at the top level of
the main source file and follows a 'guard' statement.

Fixes <rdar://problem/23051362> / <https://bugs.swift.org/browse/SR-3528>.

2019-12-19 23:47:24 -05:00

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