[Bug debug/86523] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933 starting from r262560

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86523

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jul 16 13:57:32 2018
New Revision: 262696

URL: https://gcc.gnu.org/viewcvs?rev=262696&root=gcc&view=rev
Log:
2018-07-16  Richard Biener  <rguent...@suse.de>

        PR lto/86523
        * dwarf2out.c (dwarf2out_register_external_die): Assign DIE parents
        for function-local FUNCTION_DECL and RESULT_DECL immediately.

        * g++.dg/lto/pr86523-1_0.C: New testcase.
        * g++.dg/lto/pr86523-2_0.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/lto/pr86523-1_0.C
    trunk/gcc/testsuite/g++.dg/lto/pr86523-2_0.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog