Slava Pestov add4185b83 AST: Fix infinite recursion with recursive same-type constraints ...

We diagnose and flag these in finalize(), but we can encounter one
even earlier through resolveDependentMemberTypes(). Do the same
thing there that we already do in EquivalenceClass::getTypeInContext().

Fixes <rdar://problem/45328122>, <https://bugs.swift.org/browse/SR-9022>.

2018-10-28 23:30:19 -04:00

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