[PATCH] D23831: [libcxx] Fix gcc 4.9 -Wcast-qual warning.

[Andrey Khalyavin via cfe-commits]

halyavin added a comment.

> ! In https://reviews.llvm.org/D23831#528668, @EricWF wrote:

> 

> Are you also compiling with `-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER`?


No. Libc++ buildbots doesn't set this option either and we do see warnings there. So the pragma doesn't help with compiling libc++ itself.


https://reviews.llvm.org/D23831