r272289 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Jun 14 14:03:20 2019
New Revision: 272289

URL: https://gcc.gnu.org/viewcvs?rev=272289&root=gcc&view=rev
Log:
Disable -Wctor-dtor-privacy warnings for some standard types

	* include/experimental/type_traits (experimental::nonesuch): Use
	pragma to disable -Wctor-dtor-privacy warnings.
	* include/std/type_traits (__is_convertible_helper<From, To, false>)
	(__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/experimental/type_traits
    trunk/libstdc++-v3/include/std/type_traits