https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110332
Bug ID: 110332
Summary: [14 regression] ICE in dominated_by_p when building
LLVM with -O3
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 55377
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55377&action=edit
SplitKit.ii.xz
```
# /usr/bin/aarch64-unknown-linux-gnu-g++ -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-I/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm_build-.arm64/lib/CodeGen
-I/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm/lib/CodeGen
-I/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm_build-.arm64/include
-I/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm/include -DNDEBUG -O3 -pipe
-mcpu=native -fdiagnostics-color=always -fPIC -fno-semantic-interposition
-fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra
-Wno-unused-parameter -Wwrite-strings -Wcast-qual
-Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough
-Wno-maybe-uninitialized -Wno-class-memaccess -Wno-redundant-move
-Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor
-Wsuggest-override -Wno-comment -Wno-misleading-indentation
-Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections
-fdata-sections -std=c++17 -fdiagnostics-color=always -c
/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm/lib/CodeGen/SplitKit.cpp
-save-temps
aarch64-unknown-linux-gnu-g++: warning: ‘-pipe’ ignored because ‘-save-temps’
specified
during GIMPLE pass: phiprop
/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm/lib/CodeGen/SplitKit.cpp: In
member function ‘bool llvm::SplitEditor::transferValues()’:
/var/tmp/portage/sys-devel/llvm-16.0.6/work/llvm/lib/CodeGen/SplitKit.cpp:1888:1:
internal compiler error: Segmentation fault
1888 | }
| ^
0xaaaab5e4625f crash_signal
/usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/toplev.cc:314
0xaaaab58a4ec8 dominated_by_p(cdi_direction, basic_block_def const*,
basic_block_def const*)
/usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/dominance.cc:1128
0xaaaab603cd8f propagate_with_phi
/usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/tree-ssa-phiprop.cc:408
0xaaaab603cd8f execute
/usr/src/debug/sys-devel/gcc-14.0.0.9999/gcc-14.0.0.9999/gcc/tree-ssa-phiprop.cc:528
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```
```
gcc (Gentoo 14.0.0 p, commit 6cb33e2f39e289ec4f25f845d8153053147c5c49) 14.0.0
20230620 (experimental) f5d0cec170d6d5496edf4038499d288c07d79b18
Copyright (C) 2023 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```
