[Bug target/65058] AIX: missing extern decorations "[DS]" for functions and "[RW]" for variables

[michael.haubenwallner@ssi-schaefer.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65058

--- Comment #2 from Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com> ---
Proposed patch: https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00885.html