http://llvm.org/bugs/show_bug.cgi?id=9854.  Also created an emulated hexfloat literal for use in some of the tests. <sigh>  And cleaned up some harmless but irritating warnings in the tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131318 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed