Release 2019-08-10 toolchain for macOS. (tensorflow#231)

swiftlang/swift@5bbe84b
macOS toolchains now have debug info again.

Installation.md

@@ -59,7 +59,7 @@ To install Swift for TensorFlow, download one of the packages below and follow t
 
 | Download | Date |
 |----------|------|
-| [Xcode 11](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2019-08-08-a-osx.pkg) | August 8, 2019 |
+| [Xcode 11](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2019-08-10-a-osx.pkg) | August 10, 2019 |
 | [Ubuntu 18.04 (CPU Only)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-ubuntu18.04.tar.gz) | Nightly |
 | [Ubuntu 18.04 (CUDA 10.0)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-cuda10.0-cudnn7-ubuntu18.04.tar.gz) | Nightly |
 | [Ubuntu 18.04 (CUDA 9.2)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-cuda9.2-cudnn7-ubuntu18.04.tar.gz) | Nightly |
@@ -73,6 +73,7 @@ To install Swift for TensorFlow, download one of the packages below and follow t
 
 | Download |
 |----------|
+| [August 8, 2019](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2019-08-08-a-osx.pkg) |
 | [July 25, 2019](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2019-07-25-a-osx.pkg) |
 
 #### Xcode 10