LazyVals: expected value of flag takes only tree values, no need to use long.

Author: DarkDimius

src/dotty/runtime/LazyVals.scala

@@ -11,8 +11,8 @@ object LazyVals {
   final val BITS_PER_LAZY_VAL = 2
   final val LAZY_VAL_MASK = 3
 
-  @inline def CAS(t: Object, offset: Long, e: Long, v: Long, ord: Int) = {
   @inline def STATE(cur: Long, ord: Int) = (cur >> (ord * BITS_PER_LAZY_VAL)) & LAZY_VAL_MASK
+  @inline def CAS(t: Object, offset: Long, e: Long, v: Int, ord: Int) = {
     val mask = ~(LAZY_VAL_MASK << ord * BITS_PER_LAZY_VAL)
     val n = (e & mask) | (v << (ord * BITS_PER_LAZY_VAL))
     compareAndSet(t, offset, e, n)