[Bug c++/84972] [6/7/8 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in extended_tree, at tree.h:5545

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84972

--- Comment #9 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Wed Mar 21 21:19:03 2018
New Revision: 258746

URL: https://gcc.gnu.org/viewcvs?rev=258746&root=gcc&view=rev
Log:
/cp
2018-03-21  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/84972
        * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
        error_mark_node when check_array_designated_initializer fails.

/testsuite
2018-03-21  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/84972
        * g++.dg/ext/desig10.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/ext/desig10.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog