GCC 11.1 Release Candidate available from gcc.gnu.org

[Jonathan Wakely]

On 20/04/21 22:12 -0700, Thomas Rodgers wrote:
>@@ -86,6 +88,24 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> 	}
>     }
> 
>+    _GLIBCXX_ALWAYS_INLINE bool
>+    _M_try_acquire() noexcept
>+    {
>+      for (;;)
>+	{
>+	  auto __err = sem_trywait(&_M_semaphore);
>+	  if (__err && (errno == EINTR))
>+	    continue;
>+	  else if (__err && (errno == EAGAIN))
>+	    return false;
>+	  else if (__err)
>+	    std::terminate();
>+	  else
>+	    break;
>+	}
>+      return true;
>+    }
>+
>     _GLIBCXX_ALWAYS_INLINE void
>     _M_release(std::ptrdiff_t __update) noexcept
>     {

Please just commit this part to trunk and gcc-11, not the macro
renaming (as that's been fixed by Jakub already).