swift

760d0a35 - [SE-0470] Include isolated conformance checks for default value expressions

[SE-0470] Include isolated conformance checks for default value expressions Per SE-0411, we compute the isolation of a default value expression based on what isolation it requires. Include isolated conformance checks in this computation, rather than always emitting diagnostics, so that the combination of isolated default values + isolated conformances works as expected. Fixes rdar://150691429.