Dimitry Andric b1e78df0fa Fix unused private field warning in stdexcept after r207695. ...

Add a new _LIBCPP_UNUSED define in __config, which can be used to
indicate explicitly unused items, and apply it to the __imp__ field of
__libcpp_refstring.

Somebody who knows about Microsoft C++ and IBM C++ should fill in the
unused attribute syntax appropriate for those compilers, if there is
any.

Differential Revision: http://reviews.llvm.org/D6836

llvm-svn: 228281

2015-02-05 07:40:48 +00:00

4.3 KiB

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