Revert r249931 - Remove same_decls.pass.cpp because it fails on OS X and in C++03 mode.
Revert r249931 - Remove same_decls.pass.cpp because it fails on OS X and in C++03 mode.

git-svn-id: 756ef344af921d95d562d9e9f9389127a89a6314@249938 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx,llvm-mirror/libcxx