Robert Widmann a537e04a12 Break Another Overload Resolution Cycle ...

Resolve a cycle caused by overload resolution considering recursive
static candidates where before it would silently reject them.  In
a world before the InterfaceTypeRequest, the overload resolution
machinery would attempt to validate the declaration and would recieve
a bad answer.  This caused circular candidates to be ignored as a side
effect.  This behavior was partially restored by the fixes in #27725 and #27668
but that isn't enough for recursive static variables.  Even if it were,
the constraint fix kind doesn't make sense.

Luckily, the right answer is to just reject recursive static VarDecl
candidates entirely.

Addresses rdar://56410015

2019-10-20 23:56:00 -07:00

319 KiB

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