Open Radar

 
Summary:
Trying to add a class object to a collection gives a runtime exception

Steps to Reproduce:
Sample code

var objClass = NSObject.self
var array = [objClass]

Expected Results:
The class object is added to the collection

Actual Results:
Playground execution failed: error: Execution was interrupted, reason: EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0).
The process has been left at the point where it was interrupted, use "thread return -x" to return to the state before expression evaluation.
* thread #1: tid = 0x0e52, 0x0000000100139bf1 libswift_stdlib_core.dylib`protocol witness for Swift._Collection.endIndex.getter : Swift._Collection.Self.IndexType in conformance Swift.UnsafeArray : Swift._Collection + 65, queue = 'com.apple.main-thread', stop reason = EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
  * frame #0: 0x0000000100139bf1 libswift_stdlib_core.dylib`protocol witness for Swift._Collection.endIndex.getter : Swift._Collection.Self.IndexType in conformance Swift.UnsafeArray : Swift._Collection + 65
    frame #1: 0x0000000100090880 libswift_stdlib_core.dylib`Swift.countElements <A : Swift._Collection>(A) -> A.IndexType.DistanceType + 160
    frame #2: 0x0000000100091532 libswift_stdlib_core.dylib`Swift._copyCollectionToNativeArrayBuffer <A : protocol<Swift._Collection, Swift._Sequence_>>(A) -> Swift.ContiguousArrayBuffer<A.GeneratorType.Element> + 242
    frame #3: 0x0000000100139ebc libswift_stdlib_core.dylib`protocol witness for Swift.Sequence.~> @infix <A : Swift.Sequence>(Swift.Sequence.Self.Type)(Swift.Sequence.Self, (Swift._CopyToNativeArrayBuffer, ())) -> Swift.ContiguousArrayBuffer<Swift.Sequence.Self.GeneratorType.Element> in conformance Swift.UnsafeArray : Swift.Sequence + 188
    frame #4: 0x000000010bfefbea