[Bug c++/70572] [4.9/5/6/7 Regression] ICE on code with decltype (auto) on x86_64-linux-gnu in digest_init_r, at cp/typeck2.c:1103 with -std=c++14

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70572

--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Fri May 20 16:24:58 2016
New Revision: 236522

URL: https://gcc.gnu.org/viewcvs?rev=236522&root=gcc&view=rev
Log:
/cp
2016-05-20  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/70572
        * decl.c (cp_finish_decl): Check do_auto_deduction return value
        and return immediately in case of erroneous code.

/testsuite
2016-05-20  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/70572
        * g++.dg/cpp1y/auto-fn31.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/auto-fn31.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog