https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117176
Bug ID: 117176
Summary: [15 regression] ICE when building netpbm-11.8.0
Product: gcc
Version: 15.0
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 59362
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59362&action=edit
pnmpsnr.i.xz
```
$ gcc -c ./pnmpsnr.i -O2 -march=znver2
during GIMPLE pass: vect
pnmpsnr.c: In function ‘main’:
pnmpsnr.c:576:1: internal compiler error: in operator[], at vec.h:910
576 | main (int argc, const char **argv) {
| ^~~~
0x5f7e773cecfd internal_error(char const*, ...)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:517
0x5f7e773ac190 fancy_abort(char const*, int, char const*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic.cc:1535
0x5f7e763e00e0 vec<_slp_tree*, va_heap, vl_embed>::operator[](unsigned int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/vec.h:910
0x5f7e763e00e0 vec<_slp_tree*, va_heap, vl_ptr>::operator[](unsigned int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/vec.h:1599
0x5f7e763e00e0 vect_is_simple_use(vec_info*, _stmt_vec_info*, _slp_tree*,
unsigned int, tree_node**, _slp_tree**, vect_def_type*, tree_node**,
_stmt_vec_info**)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-stmts.cc:14216
0x5f7e77eafeda vectorizable_comparison_1
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-stmts.cc:12809
0x5f7e77c47d1a vectorizable_early_exit(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, gimple**, _slp_tree*, vec<stmt_info_for_cost, va_heap,
vl_ptr>*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-stmts.cc:13142
0x5f7e77c47d1a vectorizable_early_exit(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, gimple**, _slp_tree*, vec<stmt_info_for_cost, va_heap,
vl_ptr>*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-stmts.cc:13021
0x5f7e77b4fa2d vect_slp_analyze_operations(vec_info*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-slp.cc:8158
0x5f7e77edbea5 vect_analyze_loop_2
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-loop.cc:2976
0x5f7e77eda8d6 vect_analyze_loop_1
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-loop.cc:3454
0x5f7e77c1063a vect_analyze_loop(loop*, gimple*, vec_info_shared*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vect-loop.cc:3614
0x5f7e77ed965d try_vectorize_loop_1
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vectorizer.cc:1072
0x5f7e77ed965d try_vectorize_loop
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vectorizer.cc:1189
0x5f7e77c0e185 execute
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-vectorizer.cc:1305
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.
```
```
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/15/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/15
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/15/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/15/python
--enable-objc-gc --enable-languages=c,c++,d,go,objc,obj-c++,fortran,ada,m2,rust
--enable-obsolete --enable-secureplt --disable-werror --with-system-zlib
--enable-nls --without-included-gettext --disable-libunwind-exceptions
--enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo Hardened 15.0.9999 p, commit
b4a852b00ffc7c9436d15867d602c28837c97758' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-fixed-point
--enable-targets=all --enable-libgomp --disable-libssp --enable-libada
--disable-cet --disable-systemtap --enable-valgrind-annotations
--disable-vtable-verify --disable-libvtv --with-zstd --with-isl
--disable-isl-version-check --enable-default-pie --enable-host-pie
--enable-host-bind-now --enable-default-ssp --disable-fixincludes
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241014 (experimental)
e7380688fa5917011c3fb85b5e06fb00f776a95d (Gentoo Hardened 15.0.9999 p, commit
b4a852b00ffc7c9436d15867d602c28837c97758)
```
