Non-deterministic crasher

Author: slavapestov

validation-test/compiler_crashers/28665-result-case-not-implemented.swift

@@ -6,6 +6,7 @@
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
 // REQUIRES: asserts
+// REQUIRES: deterministic-behavior
 // RUN: not --crash %target-swift-frontend %s -emit-ir
 {func a(UInt=1 + 1 + 1 as?Int){
 typealias e:A(t:_