[Bug debug/69705] [5 Regression] segfault in libgomp.fortran/task1.f90 with -flto -fno-use-linker-plugin -fno-toplevel-reorder -O1 -g

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69705

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 30 12:33:42 2016
New Revision: 234554

URL: https://gcc.gnu.org/viewcvs?rev=234554&root=gcc&view=rev
Log:
        Backported from mainline
        2016-02-24  Jakub Jelinek  <ja...@redhat.com>

        PR debug/69705
        * dwarf2out.c (gen_variable_die): Work around buggy LTO
        - allow NULL decl for Fortran DW_TAG_common_block variables.

Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/dwarf2out.c