Pr 51102 points out that a newish DR added these two macros into the
standard.
Bootstrapped and no new regressions. Checking in as trivial.
Andrew
* include/bits/atomic_base.h (ATOMIC_BOOL_LOCK_FREE,
ATOMIC_POINTER_LOCK_FREE): New. Add missing macros.
Index: include/bits/atomic_base.h
===================================================================
*** include/bits/atomic_base.h (revision 181350)
--- include/bits/atomic_base.h (working copy)
*************** _GLIBCXX_BEGIN_NAMESPACE_VERSION
*** 93,98 ****
--- 93,99 ----
#define LOCKFREE_PROP(T) (__atomic_always_lock_free (sizeof (T), 0) ? 2 : 1)
+ #define ATOMIC_BOOL_LOCK_FREE LOCKFREE_PROP (bool)
#define ATOMIC_CHAR_LOCK_FREE LOCKFREE_PROP (char)
#define ATOMIC_CHAR16_T_LOCK_FREE LOCKFREE_PROP (char16_t)
#define ATOMIC_CHAR32_T_LOCK_FREE LOCKFREE_PROP (char32_t)
*************** _GLIBCXX_BEGIN_NAMESPACE_VERSION
*** 101,107 ****
#define ATOMIC_INT_LOCK_FREE LOCKFREE_PROP (int)
#define ATOMIC_LONG_LOCK_FREE LOCKFREE_PROP (long)
#define ATOMIC_LLONG_LOCK_FREE LOCKFREE_PROP (long long)
!
// Base types for atomics.
template<typename _IntTp>
--- 102,108 ----
#define ATOMIC_INT_LOCK_FREE LOCKFREE_PROP (int)
#define ATOMIC_LONG_LOCK_FREE LOCKFREE_PROP (long)
#define ATOMIC_LLONG_LOCK_FREE LOCKFREE_PROP (long long)
! #define ATOMIC_POINTER_LOCK_FREE LOCKFREE_PROP (void *)
// Base types for atomics.
template<typename _IntTp>
