https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114249
Bug ID: 114249
Summary: [14 regression] ICE when building lvm2-2.03.22 (error:
invalid types in nop conversion)
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 57619
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57619&action=edit
libdm-deptree.i.xz
It ICEs on two different functions with -O2 vs -O3.
```
$ gcc -c ./libdm-deptree.i -O2
libdm-deptree.c: In function ‘dm_tree_preload_children’:
libdm-deptree.c:2894:5: error: invalid types in nop conversion
2894 | int dm_tree_preload_children(struct dm_tree_node *dnode,
| ^~~~~~~~~~~~~~~~~~~~~~~~
unsigned int
<<< error >>>
_890 = (unsigned int) _1319;
during GIMPLE pass: slp
libdm-deptree.c:2894:5: internal compiler error: verify_gimple failed
0x559de62d4070 verify_gimple_in_cfg(function*, bool, bool)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:5663
0x559de784ba38 execute_function_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2088
0x559de784ba38 do_per_function
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:1687
0x559de784ba38 execute_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2142
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 -c ./libdm-deptree.i -O3
libdm-deptree.c: In function ‘_load_node’:
libdm-deptree.c:2774:12: error: invalid types in nop conversion
2774 | static int _load_node(struct dm_tree_node *dnode)
| ^~~~~~~~~~
unsigned int
<<< error >>>
_1341 = (unsigned int) _1452;
during GIMPLE pass: slp
libdm-deptree.c:2774:12: internal compiler error: verify_gimple failed
0x5568ddc14070 verify_gimple_in_cfg(function*, bool, bool)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/tree-cfg.cc:5663
0x5568df18ba38 execute_function_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2088
0x5568df18ba38 do_per_function
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:1687
0x5568df18ba38 execute_todo
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/passes.cc:2142
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 c8305c9bdf09abe3e2f89783fe62f2e4049468fa'
--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 --disable-fixincludes --with-build-config='bootstrap-O3
bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240305 (experimental)
8776468d9e57ace5f832c1368243a6dbce9984d5 (Gentoo Hardened 14.0.9999 p, commit
c8305c9bdf09abe3e2f89783fe62f2e4049468fa)
```
