func github.com/google/go-cmp/cmp/cmpopts.areConcreteErrors

2 uses

	github.com/google/go-cmp/cmp/cmpopts (current package)
		equate.go#L137: 	return cmp.FilterValues(areConcreteErrors, cmp.Comparer(compareErrors))
		equate.go#L145: func areConcreteErrors(x, y interface{}) bool {