Migrate, FileCheckize and update:

2005-02-11-AnonymousUnion.cpp
2005-02-13-BadDynamicInit.cpp
2005-02-14-BitFieldOffset.cpp
2005-02-19-BitfieldStructCrash.cpp
2005-02-19-UnnamedVirtualThunkArgument.cpp
2005-02-20-BrokenReferenceTest.cpp
2006-03-01-GimplifyCrash.cpp
2006-03-06-C++RecurseCrash.cpp
2006-09-12-OpaqueStructCrash.cpp
2006-10-30-ClassBitfield.cpp
2006-11-20-GlobalSymbols.cpp
2006-11-20-GlobalSymbols.ll
2006-11-30-ConstantExprCrash.cpp

from llvm/test/FrontendC++.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138148 91177308-0d34-0410-b5e6-96231b3b80d8