[Bug symtab/29160] New: [gdb, ctf+dwarf] FAIL: gdb.base/ctf-constvars.exp: print vox

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29160

            Bug ID: 29160
           Summary: [gdb, ctf+dwarf] FAIL: gdb.base/ctf-constvars.exp:
                    print vox
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: symtab
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

On openSUSE Tumbleweed, with gcc 12.1.0, which supports -gctf, I run into:
...
FAIL: gdb.base/ctf-constvars.exp: print vox
...

AFAICT this is due to:
...
  /* Read the CTF section only if there is no DWARF info.  */
  if (!has_dwarf2 && ei.ctfsect)
    {
      elfctf_build_psymtabs (objfile);
    }
...
and the the exec has both ctf and dwarf:
...
$ readelf -S -W outputs/gdb.base/ctf-constvars/ctf-constvars
  ...
  [27] .ctf              PROGBITS        0000000000000000 0052cc 00054f 00     
0   0  1
  [28] .debug_aranges    PROGBITS        0000000000000000 003160 000120 00     
0   0 16
  [29] .debug_info       PROGBITS        0000000000000000 003280 000988 00     
0   0  1
  [30] .debug_abbrev     PROGBITS        0000000000000000 003c08 000282 00     
0   0  1
  [31] .debug_line       PROGBITS        0000000000000000 003e8a 00024f 00     
0   0  1
  [32] .debug_str        PROGBITS        0000000000000000 0040d9 0004bc 01  MS 
0   0  1
  [33] .debug_line_str   PROGBITS        0000000000000000 004595 000144 01  MS 
0   0  1
  [34] .debug_rnglists   PROGBITS        0000000000000000 0046d9 000042 00     
0   0  1
...

This due to the linked in startup files having dwarf info:
...
$ readelf --dwarf-depth=1 -wi outputs/gdb.base/ctf-constvars/ctf-constvars |
grep name
    <1a>   DW_AT_name        :   ../sysdeps/x86_64/start.S
    <3a>   DW_AT_name        :   ../sysdeps/x86/abi-note.c
    <510>   DW_AT_name        :  init.c
    <551>   DW_AT_name        :  static-reloc.c
    <957>   DW_AT_name        :  ../sysdeps/x86_64/crti.S
    <97a>   DW_AT_name        :  ../sysdeps/x86_64/crtn.S
...

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