On 09/17/2015 07:04 AM, Jonathan Wakely wrote:
> Handle alignment in __atomic_is_lock_free
>
> gcc:
>
> 2015-09-17 Richard Henderson
>
> PR libstdc++/65913
> * builtins.c (fold_builtin_atomic_always_lock_free): Handle fake
> pointers that encode the a
This fixes a 5/6 regression that causes atomic::is_lock_free() to
require libatomic even on targets where the compiler knows the answer.
The new test only runs on x86_64-linux and powerpc*-linux. It isn't
actually OS-dependent but as long as it runs somewhere we should pick
up regressions so thos