[Bug libstdc++/87619] sizeof(std::variant) can be reduced if its variant_size is UCHAR_MAX

[ville at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87619

--- Comment #1 from ville at gcc dot gnu.org ---
Author: ville
Date: Wed Oct 17 19:08:51 2018
New Revision: 265247

URL: https://gcc.gnu.org/viewcvs?rev=265247&root=gcc&view=rev
Log:
PR libstdc++/87619

* include/std/variant (__select_index): Fix an off-by-one.
* testsuite/20_util/variant/87619.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/20_util/variant/87619.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/variant