---

yaml
---
r: 293875
b: refs/heads/tensorflow
c: 06be74b
h: refs/heads/master
i:
  293873: 966fc8b
  293871: 2e8d8cc

Author: dan-zheng

[refs]

@@ -816,7 +816,7 @@ refs/tags/swift-DEVELOPMENT-SNAPSHOT-2018-04-25-a: 22f738a831d43aff2b9c9773bcb65
 refs/tags/swift-DEVELOPMENT-SNAPSHOT-2018-05-08-a: 7d98cc16689baba5c8a3b90a9329bdcc1a12b4e9
 refs/heads/cherr42: a566ad54b073c2c56ac0a705d0a5bed9743135a5
 "refs/heads/codable_test_comment_fix": fc8f6824f7f347e1e8db55bff62db385c5728b5a
-refs/heads/tensorflow: 878cdf9656e7db6ce9be20fe9719e80d3965d48e
+refs/heads/tensorflow: 06be74be84a9cdf89c9f9f4cad78d60b0b842b7e
 refs/tags/swift-4.1-DEVELOPMENT-SNAPSHOT-2018-05-11-a: 8126fd7a652e2f70ad6d76505239e34fb2ef3e1a
 refs/tags/swift-4.1-DEVELOPMENT-SNAPSHOT-2018-05-12-a: b3fd3dd84df6717f2e2e9df58c6d7e99fed57086
 refs/tags/swift-4.1-DEVELOPMENT-SNAPSHOT-2018-05-13-a: 71135119579039dc321c5f65d870050fe36efda2

branches/tensorflow/stdlib/public/TensorFlow/Gradients.swift

@@ -344,8 +344,9 @@ func _vjpPow<T : TensorFlowFloatingPoint>(
 ) -> (Tensor<T>, (Tensor<T>) -> (Tensor<T>, Tensor<T>)) {
   let value = pow(x, y)
   return (value, { v in
-    ((v * y * pow(x, y-1)).unbroadcast(like: x),
-     (v * log(x) * value).unbroadcast(like: y))
+    let dfdx = v * y * pow(x, y-1)
+    let dfdy = v * log(x) * value
+    return (dfdx.unbroadcast(like: x), dfdy.unbroadcast(like: y))
   })
 }
 

branches/tensorflow/stdlib/public/TensorFlow/Ops.swift

@@ -1923,7 +1923,7 @@ internal extension Tensor.IndexPath {
   @inlinable
   init(_ ranges: [TensorRange]) {
     precondition(!ranges.isEmpty, "The tensor range collection cannot be empty.")
-    precondition(ranges.count { $0 == TensorRange.ellipsis } < 2,
+    precondition(ranges.count(where: { $0 == TensorRange.ellipsis }) < 2,
                  "Only one ellipsis is allowed per tensor range collection.")
 
     var begin = [Int32](repeating: 0, count: ranges.count)