Add missing noexcept on std::_Sp_locker constructors

2016-12-06  Aditya Kumar  <hiraditya@msn.com>

	* src/c++11/shared_ptr.cc (_Sp_locker::_Sp_locker(const void* p)): Add
	noexcept on constructor.
	(_Sp_locker::_Sp_locker(const void* p1, const void* p2)): Same.

From-SVN: r243291

libstdc++-v3/ChangeLog

+2016-12-06  Aditya Kumar  <hiraditya@msn.com>
+
+	* src/c++11/shared_ptr.cc (_Sp_locker::_Sp_locker(const void* p)): Add
+	noexcept on constructor.
+	(_Sp_locker::_Sp_locker(const void* p1, const void* p2)): Same.
+
 2016-12-06  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/basic_string.h (basic_string::find, basic_string::rfind)

libstdc++-v3/src/c++11/shared_ptr.cc

@@ -56,7 +56,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     { return _Hash_impl::hash(addr) & __gnu_internal::mask; }
   }
 
-  _Sp_locker::_Sp_locker(const void* p)
+  _Sp_locker::_Sp_locker(const void* p) noexcept
   {
     if (__gthread_active_p())
       {
@@ -67,7 +67,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       _M_key1 = _M_key2 = __gnu_internal::invalid;
   }
 
-  _Sp_locker::_Sp_locker(const void* p1, const void* p2)
+  _Sp_locker::_Sp_locker(const void* p1, const void* p2) noexcept
   {
     if (__gthread_active_p())
       {