Re: [v3 PATCH] LWG 2510, make the default constructors of library tag types explicit.

[Gerald Pfeifer]

On Wed, 11 Nov 2015, Jonathan Wakely wrote:
Fixed by this patch.

Thanks, Jonathan!  Unfortunately bootstrap is still broken
(on i386-unknown-freebsd11.0 at least):

In file included from 
/scratch/tmp/gerald/gcc-HEAD/libstdc++-v3/src/c++11/thread.cc:27:0:
/scratch/tmp/gerald/OBJ-1112-1414/i386-unknown-freebsd10.2/libstdc++-v3/include/
thread: In function ‘void std::this_thread::sleep_for(const 
std::chrono::duration<_Rep1, _Period1>&)’:
/scratch/tmp/gerald/OBJ-1112-1414/i386-unknown-freebsd10.2/libstdc++-v3/include/
thread:300:44: error: ‘errno’ was not declared in this scope
 while (::nanosleep(&__ts, &__ts) == -1 && errno == EINTR)
                                           ^
/scratch/tmp/gerald/OBJ-1112-1414/i386-unknown-freebsd10.2/libstdc++-v3/include/
thread:300:53: error: ‘EINTR’ was not declared in this scope
 while (::nanosleep(&__ts, &__ts) == -1 && errno == EINTR)

Geraldcommit 97c2da9d4cc11bd5dae077ccb5fda4e72f7c34d5
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Wed Nov 11 17:27:23 2015 +0000

    	* libsupc++/new_handler.cc: Fix for explicit constructor change.

diff --git a/libstdc++-v3/libsupc++/new_handler.cc b/libstdc++-v3/libsupc++/new_handler.cc
index a09012c..4da48b3 100644
--- a/libstdc++-v3/libsupc++/new_handler.cc
+++ b/libstdc++-v3/libsupc++/new_handler.cc
@@ -34,7 +34,7 @@ namespace
 }
 #endif
 
-const std::nothrow_t std::nothrow = { };
+const std::nothrow_t std::nothrow = std::nothrow_t{ };
 
 using std::new_handler;
 namespace