[patch] libstdc++/70503 Ensure std::thread helpers have internal linkage

[Jonathan Wakely]

On 07/04/16 15:42 +0200, Jakub Jelinek wrote:
>Or perhaps instead change the test, so that instead of testing for
>undefined symbols it provides some definition of those 2 symbols
>and makes sure libstdc++.a(thread.o) is linked in too (such as
>using std::thread::detach or similar somewhere).
>Then in the buggy libstdc++ case, because those old definitions
>were strong rather than weak, it should fail to link, while with
>fixed libstdc++ succeed.

That'll work. Tested x86_64-linux, committed to trunk.



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