Use the Itanium C++ ABI for the pipe_builtin.cl test
Use the Itanium C++ ABI for the pipe_builtin.cl test

Certain OpenCL constructs cannot yet be mangled in the MS C++ ABI.
Add a FIXME for it if anyone cares to implement it.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@365557 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang