Slava Pestov 068f3a18da Sema: Fix crash if we try to look up constructors while validating a constructor ...

addImplicitConstructors() will crash if validateDecl() does not produce
a valid signature for one of the class's constructors because the
constructor is already being validated.

This was triggered during associated type inference in the test case
in the radar.

Fixes <rdar://problem/30751491>.

2017-03-13 01:50:41 -07:00

266 B

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