[Bug debug/87440] GCC creates debug that confuses gdb

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87440

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 27 14:10:45 2018
New Revision: 264667

URL: https://gcc.gnu.org/viewcvs?rev=264667&root=gcc&view=rev
Log:
2018-09-27  Richard Biener  <rguent...@suse.de>

        PR debug/37801
        PR debug/87440
        * dwarf2out.c (set_block_origin_self): Do not mark outermost
        block as we do not output that.
        (gen_inlined_subroutine_die): Elide the originally outermost
        block, matching what we do for concrete instances.
        (decls_for_scope): Add parameter specifying whether to recurse
        to subblocks.

        * gcc.dg/debug/dwarf2/inline2.c: Adjust.
        * gcc.dg/debug/dwarf2/inline4.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/debug/dwarf2/inline4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/debug/dwarf2/inline2.c