[Bug debug/79342] [6 Regression] ICE in output_index_string, at dwarf2out.c:25635 with -gsplit-dwarf

[hjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79342

--- Comment #10 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Fri Aug 24 11:28:40 2018
New Revision: 263831

URL: https://gcc.gnu.org/viewcvs?rev=263831&root=gcc&view=rev
Log:
DWARF: Call set_indirect_string on DW_MACINFO_start_file

Since -gsplit-dwarf -g3 will output filename as indirect string, call
set_indirect_string on DW_MACINFO_start_file for -gsplit-dwarf -g3.

gcc/

        PR debug/79342
        * dwarf2out.c (save_macinfo_strings): Call set_indirect_string
        on DW_MACINFO_start_file for -gsplit-dwarf -g3.

gcc/testsuite/

        PR debug/79342
        * gcc.dg/pr79342.: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr79342.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog