[Bug ada/89349] segfault when building GCC 8 branch with GCC master

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89349

--- Comment #15 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Sat Feb 23 10:04:41 2019
New Revision: 269154

URL: https://gcc.gnu.org/viewcvs?rev=269154&root=gcc&view=rev
Log:
        PR ada/89349
        Backport from mainline
        2018-05-25  Arnaud Charlet  <char...@adacore.com>

        * osint.ads (Unknown_Attributes): No longer pretend this is a constant.
        (No_File_Info_Cache): Initialize separately.
        * osint.adb (No_File_Info_Cache): Update initializer.

Modified:
    branches/gcc-7-branch/gcc/ada/ChangeLog
    branches/gcc-7-branch/gcc/ada/osint.adb
    branches/gcc-7-branch/gcc/ada/osint.ads