[Bug c++/91129] [9 Regression] Implicit casts fail for modulo operator

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91129

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Sun Sep  1 22:59:10 2019
New Revision: 275286

URL: https://gcc.gnu.org/viewcvs?rev=275286&root=gcc&view=rev
Log:
        PR c++/91129 - wrong error with binary op in template argument.
        * typeck.c (warn_for_null_address): Use fold_for_warn instead of
        fold_non_dependent_expr.
        (cp_build_binary_op): Likewise.

        * g++.dg/cpp1y/nontype1.C: New test.

Added:
    branches/gcc-9-branch/gcc/testsuite/g++.dg/cpp1y/nontype1.C
Modified:
    branches/gcc-9-branch/gcc/cp/ChangeLog
    branches/gcc-9-branch/gcc/cp/typeck.c