Remove use of is_trivially_constructible.

type_traits header in libstdc++ 4.8 does not define is_trivially_contructible
so the code doesn't compile with it.

In this file we are using the trait for assertion to provide a better
error message. Removing it doesn't change the meaning of the code.

Differential Revision: http://reviews.llvm.org/D20719

llvm-svn: 270957

llvm/include/llvm/DebugInfo/CodeView/StreamArray.h

@@ -111,8 +111,6 @@ template <typename T> class FixedStreamArrayIterator;
 
 template <typename T> class FixedStreamArray {
   friend class FixedStreamArrayIterator<T>;
-  static_assert(std::is_trivially_constructible<T>::value,
-                "FixedStreamArray must be used with trivial types");
 
 public:
   FixedStreamArray() : Stream() {}