message: [XLA] Remove note about what implementations do for DynamicSlice and DynamicUpdateSlice.
  It is impossible to commit to a particular "implementation-defined behavior" for all implementations.
diff: @@ -788,9 +788,7 @@ DynamicSlice extracts a sub-array from the input array at dynamic
  dimension: [start, start + size). The shape of `start_indices` must be rank ==
  1, with dimension size equal to the rank of `operand`.
  Note: handling of out-of-bounds slice indices (generated by incorrect runtime
  -calculation of 'start_indices') is currently implementation-defined. Currently,
  -slice indices are computed modulo input dimension sizes to prevent out-of-bound
  -array accesses, but this behavior may change in future implementations.
  +calculation of 'start_indices') is currently implementation-defined.
  <b> `DynamicSlice(operand, start_indices, size_indices)` </b>
  @@ -847,9 +845,7 @@ is updated.
  The shape of `start_indices` must be rank == 1, with dimension size equal to
  the rank of `operand`.
  Note: handling of out-of-bounds slice indices (generated by incorrect runtime
  -calculation of 'start_indices') is currently implementation-defined. Currently,
  -slice indices are computed modulo update dimension sizes to prevent out-of-bound
  -array accesses, but this behavior may change in future implementations.
  +calculation of 'start_indices') is currently implementation-defined.
  <b> `DynamicUpdateSlice(operand, update, start_indices)` </b>
  