https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113757
Bug ID: 113757
Summary: [14 regression] ICE when building legion-23.03.0
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 57319
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57319&action=edit
legion_tasks.cc.ii.xz
Originally reported downstream in Gentoo at https://bugs.gentoo.org/923797 by
Toralf Förster.
```
$
/var/tmp/portage/sys-cluster/legion-23.03.0/temp/clang-wrappers/x86_64-pc-linux-gnu-g++
-DLegionRuntime_EXPORTS
-I/var/tmp/portage/sys-cluster/legion-23.03.0/work/legion-legion-23.03.0/runtime
-I/var/tmp/portage/sys-cluster/legion-23.03.0/work/legion-legion-23.03.0_build/runtime
-O2 -march=znver2 -march=native -O2 -g -fPIC -fdiagnostics-color=always -MD
-MT runtime/CMakeFiles/LegionRuntime.dir/legion/legion_tasks.cc.o -MF
runtime/CMakeFiles/LegionRuntime.dir/legion/legion_tasks.cc.o.d -o
runtime/CMakeFiles/LegionRuntime.dir/legion/legion_tasks.cc.o -c
/var/tmp/portage/sys-cluster/legion-23.03.0/work/legion-legion-23.03.0/runtime/legion/legion_tasks.cc
during IPA pass: inline
/var/tmp/portage/sys-cluster/legion-23.03.0/work/legion-legion-23.03.0/runtime/legion/legion_tasks.cc:
In member function ‘virtual const Legion::Internal::VersionInfo&
Legion::Internal::PointTask::get_version_info(unsigned int) const’:
/var/tmp/portage/sys-cluster/legion-23.03.0/work/legion-legion-23.03.0/runtime/legion/legion_tasks.cc:7033:24:
internal compiler error: tree check: expected class ‘type’, have ‘exceptional’
(error_mark) in useless_type_conversion_p, at gimple-expr.cc:85
7033 | const VersionInfo& PointTask::get_version_info(unsigned idx) const
| ^~~~~~~~~
0x5611c9270657 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree.cc:9002
0x5611c81c7150 tree_class_check(tree_node*, tree_code_class, char const*, int,
char const*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree.h:3767
0x5611c81c7150 useless_type_conversion_p(tree_node*, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/gimple-expr.cc:85
0x5611c9dc377f may_propagate_copy(tree_node*, tree_node*, bool)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-ssa-propagate.cc:1068
0x5611c9ceafbc gimple_merge_blocks
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:2130
0x5611c9ce61dd merge_blocks(basic_block_def*, basic_block_def*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cfghooks.cc:820
0x5611c9c46209 cleanup_tree_cfg_bb
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfgcleanup.cc:791
0x5611c9c46209 cleanup_tree_cfg_noloop
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfgcleanup.cc:1141
0x5611c9c46209 cleanup_tree_cfg(unsigned int)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfgcleanup.cc:1205
0x5611c9ae1bf4 execute_function_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2057
0x5611c9ae1bf4 do_per_function
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:1687
0x5611c9ae1bf4 execute_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2142
0x5611c9cbcfca execute_one_ipa_transform_pass
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2336
0x5611c9cbcfca execute_all_ipa_transforms(bool)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2396
0x5611c9b20cb3 cgraph_node::expand()
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cgraphunit.cc:1836
0x5611c9adacd0 expand_all_functions
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cgraphunit.cc:2026
0x5611c9adacd0 symbol_table::compile()
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cgraphunit.cc:2400
0x5611ca40f9c8 symbol_table::finalize_compilation_unit()
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cgraphunit.cc:2585
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/14/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-14.0.9999/work/gcc-14.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/14
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/14/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/14/include/g++-v14
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/14/python
--enable-languages=c,c++,fortran,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
14.0.9999 p, commit 3ab6b70bf9ee185da7e092e1df20753cdc35d710'
--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 --disable-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 --with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240203 (experimental)
fa96099957c1cdcf73cb8c83e4f694a38a3d8530 (Gentoo Hardened 14.0.9999 p, commit
3ab6b70bf9ee185da7e092e1df20753cdc35d710)
```
