[PATCH] Fix PR libstdc++/64422

[Jonathan Wakely]

On 1 January 2015 at 08:50, Bernd Edlinger wrote:
> Hi,
>
> this patch fixes unresolved externals with c++98 std::string templates.
>
> Boot-strapped and Regression-tested on x86_64-linux-gnu.
> OK for trunk?

The misc-inst.cc change looks good but as this is a libstdc++ bug the
testcase should be under the libstdc++-v3/testsuite dir and the patch
should be CC'd to the libstdc++ list.