Doug Gregor 9256250273 Fix type checking for a non-throwing function as a subtype of a throwing function. ...

A non-throwing function can be a trivial subtype of a throwing
function. Encode this rule more directly, introduce some additional
tests to ensure that we get the behavior right where we need exact
matches, and add a failure kind with custom diagnostic for cases where
function types mismatch due to 'throws'.

Swift SVN r27255

2015-04-13 18:39:39 +00:00

161 KiB

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