[Bug c++/83796] [6/7/8 Regression] Abstract classes allowed to be instantiated when initialised as default parameter to function or constructor

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83796

--- Comment #5 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Thu Feb  1 15:36:04 2018
New Revision: 257298

URL: https://gcc.gnu.org/viewcvs?rev=257298&root=gcc&view=rev
Log:
/cp
2018-02-01  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/83796
        * call.c (convert_like_real): If w're initializing from {} explicitly
        call abstract_virtuals_error_sfinae.

/testsuite
2018-02-01  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/83796
        * g++.dg/cpp0x/abstract-default1.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/abstract-default1.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/call.c
    trunk/gcc/testsuite/ChangeLog