https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116523
Bug ID: 116523
Summary: [15 regression] ICE when building
hardinfo-0.6_alpha_pre20221113
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
CC: ak at gcc dot gnu.org
Target Milestone: ---
Originally reported downstream in Gentoo at https://bugs.gentoo.org/938611.
```
# gcc ../hardinfo-a798cbaed6f1b083cc3c26dbede74cf40947d0ef_buil
d/CMakeFiles/hardinfo.dir/hardinfo/gg_strescape.c.i -O2
during GIMPLE pass: ifcvt
In function ‘make_excmap_def’,
inlined from ‘gg_strescape’ at
/var/tmp/portage/app-admin/hardinfo-0.6_alpha_pre20221113/work/hardinfo-a798cbaed6f1b083cc3c26dbede74cf40947d0ef/hardinfo/gg_strescape.c:60:5:
/var/tmp/portage/app-admin/hardinfo-0.6_alpha_pre20221113/work/hardinfo-a798cbaed6f1b083cc3c26dbede74cf40947d0ef/hardinfo/gg_strescape.c:26:5:
internal compiler error: in decompose, at wide-int.h:1049
26 | switch ((guchar)i)
| ^~~~~~
0x5e9476d48789 internal_error(char const*, ...)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:491
0x5e9476d48924 fancy_abort(char const*, int, char const*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic.cc:1772
0x5e9475834537 wi::int_traits<generic_wide_int<wide_int_storage>
>::decompose(long*, unsigned int, generic_wide_int<wide_int_storage> const&)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/wide-int.h:1049
0x5e9475834537 wide_int_ref_storage<true,
false>::wide_int_ref_storage<generic_wide_int<wide_int_storage>
>(generic_wide_int<wide_int_storage> const&, unsigned int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/wide-int.h:1099
0x5e9475834537 generic_wide_int<wide_int_ref_storage<true, false>
>::generic_wide_int<generic_wide_int<wide_int_storage>
>(generic_wide_int<wide_int_storage> const&, unsigned int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/wide-int.h:855
0x5e9475834537 wi::binary_traits<generic_wide_int<wide_int_ref_storage<false,
false> >, generic_wide_int<wide_int_storage>,
wi::int_traits<generic_wide_int<wide_int_ref_storage<false, false> >
>::precision_type, wi::int_traits<generic_wide_int<wide_int_storage>
>::precision_type>::result_type
wi::bit_and_not<generic_wide_int<wide_int_ref_storage<false, false> >,
generic_wide_int<wide_int_storage>
>(generic_wide_int<wide_int_ref_storage<false, false> > const&,
generic_wide_int<wide_int_storage> const&)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/wide-int.h:2780
0x5e9475834537 gimple_simplify_226(gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node*, tree_node**, tree_code)
/usr/src/debug/sys-devel/gcc-15.0.9999/build/gcc/gimple-match-9.cc:1994
0x5e94770d17fc gimple_simplify_EQ_EXPR(gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), code_helper, tree_node*, tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-15.0.9999/build/gcc/gimple-match-10.cc:11715
0x5e9477043bcb gimple_resimplify2
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-match-exports.cc:1051
0x5e94770132fc gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-match-exports.cc:918
0x5e947700f8e3 fold_stmt_1
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-fold.cc:6410
0x5e9476ff3ce3 fold_stmt(gimple_stmt_iterator*, bitmap_head*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimple-fold.cc:6571
0x5e9476ff3ce3 maybe_fold_stmt
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:3815
0x5e9476ff3ce3 gimplify_modify_expr
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:6701
0x5e9476fde749 gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:18114
0x5e94770215c4 gimplify_stmt(tree_node**, gimple**)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:7646
0x5e94770215c4 gimplify_and_add(tree_node*, gimple**)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:516
0x5e94770215c4 internal_get_tmp_var
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:675
0x5e9476fde895 get_formal_tmp_var(tree_node*, gimple**)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:701
0x5e9476fde895 gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:19150
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,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
b6fdeaf382dd20760fc3baf1ca9ff3db9f58c14d' --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 20240826 (experimental)
b4ac2c23d8745d98984954e88f02aa73f1c3594b (Gentoo Hardened 15.0.9999 p, commit
b6fdeaf382dd20760fc3baf1ca9ff3db9f58c14d)
```
