[Bug c++/70323] [6 regression] missing error on integer overflow in constexpr function result converted to bool

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70323

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 23 18:45:26 2016
New Revision: 234438

URL: https://gcc.gnu.org/viewcvs?rev=234438&root=gcc&view=rev
Log:
        PR c++/70323
        * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
        on TREE_OVERFLOW constants.

        * g++.dg/cpp0x/constexpr-70323.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-70323.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/testsuite/ChangeLog