[PATCH] D13051: Add placeholder __libcpp_relaxed_store() for when atomic builtins are not available.

[Dimitry Andric via cfe-commits]

dim added a comment.

In http://reviews.llvm.org/D13051#250836, @EricWF wrote:

> Does anything actually need this? This interface was never really meant to be complete, just want was needed.


I need it at least for FreeBSD/arm, since it defaults to armv4, and it does not yet have a full set of atomic ops as libcalls.  In any case, if stub functions are provided, they should at least compile. :-)


http://reviews.llvm.org/D13051