[Bug c++/70344] [6 Regression] ICE on valid code at -O1 and above on x86_64-linux-gnu in adjust_temp_type, at cp/constexpr.c:1078

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70344

--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Sat Apr  2 01:35:45 2016
New Revision: 234695

URL: https://gcc.gnu.org/viewcvs?rev=234695&root=gcc&view=rev
Log:
        PR c++/70449

        PR c++/70344
        * pt.c (instantiate_decl): A function isn't fully defined if
        DECL_INITIAL is error_mark_node.
        * constexpr.c (cxx_eval_call_expression): Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/constexpr-recursion1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/constexpr.c
    trunk/gcc/cp/pt.c