tags 1086320 + patch thanks Trivial patch attached (but untested). I wonder how this worked at all before.
Thanks.
--- a/swift/include/swift/SILOptimizer/Utils/UpdatingInstructionIterator.h +++ b/swift/include/swift/SILOptimizer/Utils/UpdatingInstructionIterator.h @@ -86,7 +86,7 @@ public: } Self &operator=(const Self &rhs) { - this->regsitry = rhs.registry; + this->registry = rhs.registry; this->base = rhs.base; this->advanced = rhs.advanced; registry->registerIterator(this);