[Bug debug/90914] [9 Regression] ICE in schedule_generic_params_dies_gen, at dwarf2out.c:27153

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90914

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jun 21 13:56:54 2019
New Revision: 272547

URL: https://gcc.gnu.org/viewcvs?rev=272547&root=gcc&view=rev
Log:
2019-06-21  Richard Biener  <rguent...@suse.de>

        PR debug/90914
        * dwarf2out.c (prune_unused_types_walk): Always consider
        function-local extern declarations as used.

        * g++.dg/debug/pr90914.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/debug/pr90914.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog