[Bug c++/80562] [7/8 Regression] ICE using if constexpr with nonconstant expression in function template

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80562

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Mon Jun 19 20:55:27 2017
New Revision: 249387

URL: https://gcc.gnu.org/viewcvs?rev=249387&root=gcc&view=rev
Log:
        PR c++/80562 - ICE with constexpr if.

        * semantics.c (finish_if_stmt_cond): Call
        instantiate_non_dependent_expr.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1z/constexpr-if12.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c