Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 9 insertions, 3 deletions

diff --git a/Tests/CompileFeatures/cxx_unrestricted_unions.cpp b/Tests/CompileFeatures/cxx_unrestricted_unions.cpp
index 698fd61..f6d64f6 100644
--- a/Tests/CompileFeatures/cxx_unrestricted_unions.cpp
+++ b/Tests/CompileFeatures/cxx_unrestricted_unions.cpp
@@ -1,10 +1,16 @@
 
-struct point {
+struct point
+{
   point() {}
-  point(int x, int y) : x_(x), y_(y) {}
+  point(int x, int y)
+    : x_(x)
+    , y_(y)
+  {
+  }
   int x_, y_;
 };
-union u {
+union u
+{
   point p_;
   int i_;
   const char* s_;