[libcxx] r215740 - Revert "Turn off extern templates for most uses."

[Howard Hinnant]

On Aug 17, 2014, at 9:06 PM, Justin Bogner <mail at justinbogner.com> wrote:

> I really don't think it's worth the cost of insantiating these very
> fundamental templates in *every single user* to work around a limitation
> in the memory sanitizer. This is an unreasonable amount of overhead for
> standard library types.

Always measure.  I’m not saying you’re wrong.  I’m saying you’re stating a performance conclusion without measurements (which should never be acceptable).

Howard