https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121015
Bug ID: 121015
Summary: [16 regression] ICE when building blender
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 61823
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61823&action=edit
blender.ii.xz
Reported by Paul Zander (negril).
```
$ g++ -c blender.ii -O3 -mavx
/var/tmp/paludis/media-gfx-blender-4.4.9999/work/blender-4.4.9999/source/blender/render/intern/engine.cc:
In function ‘RenderResult* RE_engine_begin_result(RenderEngine*, int, int, int,
int, const char*, const char*)’:
/var/tmp/paludis/media-gfx-blender-4.4.9999/work/blender-4.4.9999/source/blender/render/intern/engine.cc:368:1:
error: unrecognizable insn:
(insn 495 43 45 5 (set (reg:V8QI 340)
(const_vector:V8QI [
(const_int -1 [0xffffffffffffffff]) repeated x8
])) -1
(expr_list:REG_EQUIV (const_vector:V8QI [
(const_int -1 [0xffffffffffffffff]) repeated x8
])
(nil)))
during RTL pass: ira
/var/tmp/paludis/media-gfx-blender-4.4.9999/work/blender-4.4.9999/source/blender/render/intern/engine.cc:368:1:
internal compiler error: in extract_insn, at recog.cc:2882
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
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/16/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-16.0.9999/work/gcc-16.0.9999/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/16
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/16/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/16
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/16/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/16/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/16/include/g++-v16
--disable-silent-rules --disable-dependency-tracking
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/16/python
--enable-libphobos --enable-objc-gc
--enable-languages=c,c++,d,objc,obj-c++,fortran,ada,cobol,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 16.0.9999 p, commit
9dd46ee2eb01d30892f1c6db1599e82a9c6e8b04' --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-offload-defaulted
--enable-offload-targets=nvptx-none --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-gxx-libcxx-include-dir=/usr/include/c++/v1 --enable-linker-build-id
--with-build-config='bootstrap-O3 bootstrap-lto'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.0 20250709 (experimental)
a09b415b87cd98e3a4f3e197ad4e9e67a335c1d4 (Gentoo Hardened 16.0.9999 p, commit
9dd46ee2eb01d30892f1c6db1599e82a9c6e8b04)
```
