[Bug c++/85113] [7/8 Regression] ICE with __builtin_constant_p

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85113

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Apr  3 19:13:36 2018
New Revision: 259051

URL: https://gcc.gnu.org/viewcvs?rev=259051&root=gcc&view=rev
Log:
        PR c++/85113 - ICE with constexpr and __builtin_constant_p.

        * constexpr.c (cxx_eval_builtin_function_call): Only defer
        __builtin_constant_p if ctx->quiet.

Added:
    trunk/gcc/testsuite/g++.dg/ext/builtin12.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c