[Bug gdb/23838] New: 8.2 regression for invalid -data-directory [Re: [RESEND][PATCH 01/40] Convert struct target_ops to C++]

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=23838

            Bug ID: 23838
           Summary: 8.2 regression for invalid -data-directory [Re:
                    [RESEND][PATCH 01/40] Convert struct target_ops to
                    C++]
           Product: gdb
           Version: 8.2
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: jan.kratochvil at redhat dot com
  Target Milestone: ---

https://sourceware.org/ml/gdb-patches/2018-10/msg00659.html

f6ac5f3d63e03a81c4ff3749aba234961cc9090e is the first bad commit
commit f6ac5f3d63e03a81c4ff3749aba234961cc9090e
Author: Pedro Alves <palves@redhat.com>
Date:   Thu May 3 00:37:22 2018 +0100
    Convert struct target_ops to C++

$ ./gdb -data-directory gdb
Segmentation fault

Program received signal SIGSEGV, Segmentation fault.
target_supports_terminal_ours () at target.c:590
590       return current_top_target ()->supports_terminal_ours ();
(gdb) bt
#0  target_supports_terminal_ours () at target.c:590
#1  0x0000000000c0c0d0 in vwarning (string=0x14bc4ca "%s is not a directory.",
args=0x7fffffffc8e0) at utils.c:173
#2  0x00000000005af49d in warning (fmt=0x14bc4ca "%s is not a directory.") at
common/errors.c:31
#3  0x0000000000873848 in set_gdb_data_directory (new_datadir=0x7fffffffd1f4
"gdb") at main.c:121
#4  0x000000000087465a in captured_main_1 (context=0x7fffffffcce0) at
main.c:763
#5  0x00000000008753e1 in captured_main (data=0x7fffffffcce0) at main.c:1163
#6  0x00000000008754bd in gdb_main (args=0x7fffffffcce0) at main.c:1189
#7  0x00000000004129dc in main (argc=3, argv=0x7fffffffcde8) at gdb.c:32
(gdb) _

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