[Bug middle-end/120270] [13/14/15/16 Regression] ICE with -O1 in expand_debug_locations, at cfgexpand.cc:5668

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120270

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
              Build|x86_64-pc-linux-gnu         |
               Host|x86_64-pc-linux-gnu         |
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2025-05-14

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
6021                gcc_assert (mode == GET_MODE (val)
6022                            || (GET_MODE (val) == VOIDmode
6023                                && (CONST_SCALAR_INT_P (val)
6024                                    || GET_CODE (val) == CONST_FIXED
6025                                    || GET_CODE (val) == LABEL_REF)));
(gdb) p mode
$1 = E_QImode
(gdb) p val
$2 = (rtx) 0x7ffff79bf610
(gdb) p debug_rtx(val)
(sign_extend:SI (debug_expr:QI D#2))
$3 = void

  # DEBUG D#2 => D#4 == 0 ? 0 : D#1
  # DEBUG D#3 => (unsigned int) D#2

Confirmed.