https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110420
Bug ID: 110420
Summary: internal compiler error: in
gimple_redirect_edge_and_branch, at tree-cfg.cc:6262
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: jbg...@lug-owl.de
Target Milestone: ---
Created attachment 55400
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55400&action=edit
Preprocessed input.
Starting with g:21e2ef2dc, I see a new ICE building a PPC Linux kernel for the
adder875_defconfig config (see eg.
http://toolchain.lug-owl.de/laminar/jobs/linux-powerpc-adder875_defconfig/100):
[mk all 2023-06-26 02:31:11] # CC arch/powerpc/kernel/ptrace/ptrace-view.o
[mk all 2023-06-26 02:31:11] powerpc-linux-gcc
-Wp,-MMD,arch/powerpc/kernel/ptrace/.ptrace-view.o.d -nostdinc
-I./arch/powerpc/include -I./arch/powerpc/include/generated -I./include
-I./arch/powerpc/include/uapi -I./arch/powerpc/include/generated/uapi
-I./include/uapi -I./include/generated/uapi -include
./include/linux/compiler-version.h -include ./include/linux/kconfig.h -include
./include/linux/compiler_types.h -D__KERNEL__ -I ./arch/powerpc
-fmacro-prefix-map=./= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE
-Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type
-Wno-format-security -funsigned-char -std=gnu11 -mbig-endian -m32 -msoft-float
-pipe -ffixed-r2 -mmultiple -mno-readonly-in-sdata -mcpu=860 -mno-prefixed
-mno-pcrel -mno-altivec -mno-vsx -mno-mma -fno-asynchronous-unwind-tables
-mno-string -mbig-endian -mstack-protector-guard=tls
-mstack-protector-guard-reg=r2 -fno-delete-null-pointer-checks
-Wno-frame-address -Wno-format-truncation -Wno-format-overflow
-Wno-address-of-packed-member -O2 -fno-allow-store-data-races
-Wframe-larger-than=1024 -fstack-protector-strong -Wno-main
-Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-dangling-pointer
-fomit-frame-pointer -ftrivial-auto-var-init=zero -fno-stack-clash-protection
-Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wcast-function-type
-Wno-stringop-truncation -Wno-stringop-overflow -Wno-restrict
-Wno-maybe-uninitialized -Wno-array-bounds -Wno-alloc-size-larger-than
-Wimplicit-fallthrough=5 -fno-strict-overflow -fno-stack-check -fconserve-stack
-Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init
-Wno-packed-not-aligned -g -mstack-protector-guard-offset=544 -Werror
-DUTS_MACHINE='"ppc"'
-DKBUILD_MODFILE='"arch/powerpc/kernel/ptrace/ptrace-view"'
-DKBUILD_BASENAME='"ptrace_view"' -DKBUILD_MODNAME='"ptrace_view"'
-D__KBUILD_MODNAME=kmod_ptrace_view -c -o
arch/powerpc/kernel/ptrace/ptrace-view.o
arch/powerpc/kernel/ptrace/ptrace-view.c
[mk all 2023-06-26 02:31:13] during GIMPLE pass: pre
[mk all 2023-06-26 02:31:13] arch/powerpc/kernel/ptrace/ptrace-view.c: In
function 'gpr32_set_common':
[mk all 2023-06-26 02:31:13] arch/powerpc/kernel/ptrace/ptrace-view.c:649:5:
internal compiler error: in gimple_redirect_edge_and_branch, at
tree-cfg.cc:6262
[mk all 2023-06-26 02:31:13] 649 | int gpr32_set_common(struct task_struct
*target,
[mk all 2023-06-26 02:31:13] | ^~~~~~~~~~~~~~~~
[mk all 2023-06-26 02:31:13] 0x1a562a6 internal_error(char const*, ...)
[mk all 2023-06-26 02:31:13] ???:0
[mk all 2023-06-26 02:31:13] 0x826ea1 fancy_abort(char const*, int, char
const*)
[mk all 2023-06-26 02:31:13] ???:0
[mk all 2023-06-26 02:31:13] 0x9b77c9 redirect_edge_and_branch(edge_def*,
basic_block_def*)
[mk all 2023-06-26 02:31:13] ???:0
[mk all 2023-06-26 02:31:13] 0x9b7e43 split_edge(edge_def*)
[mk all 2023-06-26 02:31:13] ???:0
[mk all 2023-06-26 02:31:13] 0xee1cc7 split_critical_edges(bool)
[mk all 2023-06-26 02:31:13] ???:0
[mk all 2023-06-26 02:31:13] Please submit a full bug report, with preprocessed
source (by using -freport-bug).
[mk all 2023-06-26 02:31:13] Please include the complete backtrace with any bug
report.
[mk all 2023-06-26 02:31:13] See <https://gcc.gnu.org/bugs/> for instructions.
[mk all 2023-06-26 02:31:13] make[4]: *** [scripts/Makefile.build:252:
arch/powerpc/kernel/ptrace/ptrace-view.o] Error 1
[mk all 2023-06-26 02:31:13] make[3]: *** [scripts/Makefile.build:494:
arch/powerpc/kernel/ptrace] Error 2
[mk all 2023-06-26 02:31:13] make[2]: *** [scripts/Makefile.build:494:
arch/powerpc/kernel] Error 2
[mk all 2023-06-26 02:31:13] make[1]: *** [scripts/Makefile.build:494:
arch/powerpc] Error 2
[mk all 2023-06-26 02:31:13] make: *** [Makefile:2026: .] Error 2
The full command line is seen above, I'll also attach preprocessed input.
(-freport-bug didn't generate something?)
