* Define HASH_NAMESPACE to `std' in the case of pre-3.0 GCC compilers
* Add comments to clarify the intent of all the #ifdef madness
* Add VIM directive to highlight files as C++
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7903 91177308-0d34-0410-b5e6-96231b3b80d8
stl_bvector.h are correctly included into *anything* that includes hash_map
or hash_set. ext/hash_map includes stl_vector.h directly and leaves
out the specializations, causing truly nasty bugs due to inconsistent
versions of vector<> being used for vector<bool> in different files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7303 91177308-0d34-0410-b5e6-96231b3b80d8
GCC 2.95, GCC 3.0.4 and GCC 3.1 all concurrently, without having to delete
headers after a chackou.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3055 91177308-0d34-0410-b5e6-96231b3b80d8