https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111418
Bug ID: 111418
Summary: ICE with the CVE-2023-4039 patches applied
Product: gcc
Version: 13.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ross at burtonini dot com
CC: Martin.Jansa at gmail dot com, rsandifo at gcc dot gnu.org
Target Milestone: ---
Target: aarch64
After integrating the -fstack-protector fixes in CVE-2023-4039 to gcc 13.2.0, a
proprietary codebase is causing an ICE.
error: unrecognizable insn:
2923 | }
| ^
(insn 416 286 290 17 (parallel [
(set (mem/c:SI (plus:DI (reg/f:DI 29 x29)
(const_int -260 [0xfffffffffffffefc])) [1
redacted.pixel_format+0 S4 A32])
(const_int 0 [0]))
(set (mem/c:SI (plus:DI (reg/f:DI 29 x29)
(const_int -256 [0xffffffffffffff00])) [1
redacted.pixel_value+0 S4 A128])
(reg/v:SI 22 x22 [orig:141 color ] [141]))
])
"TOPDIR/BUILD/work/redacted/redacted/redacted/git/redacted.c":2903:45 -1
(expr_list:REG_DEAD (reg/v:SI 22 x22 [orig:141 color ] [141])
(nil)))
during RTL pass: cprop_hardreg
TOPDIR/BUILD/work/redacted/redacted/redacted/git/redacted.c:2923:1: internal
compiler error: in extract_insn, at recog.cc:2791
0x191624a internal_error(char const*, ...)
???:0
0x6bee26 fancy_abort(char const*, int, char const*)
???:0
0x697469 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
???:0
0x697485 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
???:0
0xbef198 extract_constrain_insn(rtx_insn*)
???:0
Copying Martin Jansa who reported this originally and is working on a minimal
reproducer.
