Avoid _Rb_tree_rotate_[left,right] symbols export

[Jonathan Wakely]

On 13/06/17 21:51 +0200, François Dumont wrote:
>On 12/05/2017 13:03, Jonathan Wakely wrote:
>>A much simpler (but equivalent) change would be:
>>
>>--- a/libstdc++-v3/src/c++98/tree.cc
>>+++ b/libstdc++-v3/src/c++98/tree.cc
>>@@ -153,6 +153,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
>>  /* Static keyword was missing on _Rb_tree_rotate_left.
>>     Export the symbol for backward compatibility until
>>     next ABI change.  */
>>+#if _GLIBCXX_INLINE_VERSION
>>+  static
>>+#endif
>
>Ok, so it looks like you are not a great fan of the anonymous 
>namespace in this context.
>
>Here is a new proposal. We don't need to add static keyword, this 
>function is only here to be exported for backward compatibility.
>
>>>Tested under Linux x86_64 with versioned namespace.
>>
>>What about the normal configuration? It's much more important that the
>>default configuration works. The versioned namespace that nobody uses
>>doesn't matter.
>
>Tested under Linux x86_64 normal mode.
>
>Ok to commit ?

OK, thanks.