https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123557
Bug ID: 123557
Summary: [16 regression] ICE when building hpx-1.11.0 (in
cp_gimplify_init_expr, at cp/cp-gimplify.cc:340)
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 63328
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63328&action=edit
ccAycw5I.ii.xz
Originally reported downstream in Gentoo at https://bugs.gentoo.org/968610.
```
$ g++ mutex.hpp -c
/var/tmp/portage/sys-cluster/hpx-1.11.0/work/hpx-1.11.0/libs/core/synchronization/include/hpx/synchronization/mutex.hpp:
In constructor ‘constexpr hpx::mutex::mutex(const char*)’:
/var/tmp/portage/sys-cluster/hpx-1.11.0/work/hpx-1.11.0/libs/core/synchronization/include/hpx/synchronization/mutex.hpp:91:13:
internal compiler error: in cp_gimplify_init_expr, at cp/cp-gimplify.cc:340
91 | : owner_id_(threads::invalid_thread_id)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x559e884cca74 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x559e884bd7f4 internal_error(char const*, ...)
???:0
0x559e862edd65 fancy_abort(char const*, int, char const*)
???:0
0x559e863a6ddf cp_gimplify_expr(tree_node**, gimple**, gimple**)
???:0
0x559e86a542dd gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
???:0
0x559e86a578bc gimplify_stmt(tree_node**, gimple**)
???:0
0x559e86a55911 gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
???:0
0x559e86a578bc gimplify_stmt(tree_node**, gimple**)
???:0
0x559e86a5515b gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
???:0
0x559e86a578bc gimplify_stmt(tree_node**, gimple**)
???:0
0x559e86a5649e gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
???:0
0x559e86a578bc gimplify_stmt(tree_node**, gimple**)
???:0
0x559e86a578f6 gimplify_and_add(tree_node*, gimple**)
???:0
0x559e863a70ac cp_gimplify_expr(tree_node**, gimple**, gimple**)
???:0
0x559e86a542dd gimplify_expr(tree_node**, gimple**, gimple**, bool
(*)(tree_node*), int)
???:0
0x559e86a578bc gimplify_stmt(tree_node**, gimple**)
???:0
0x559e86a5abdb gimplify_body(tree_node*, bool)
???:0
0x559e86a5b143 gimplify_function_tree(tree_node*)
???:0
0x559e867f5b47 cgraph_node::analyze()
???:0
0x559e867f9e72
```
```
Using built-in specs.
COLLECT_GCC=g++
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.notmp/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,go,objc,obj-c++,fortran,ada,cobol,algol68,m2,rust,jit
--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
808ad21635573dbf12f9b0a1df7e83c9f1815f92' --with-gcc-major-version-only
--enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--with-tls=gnu2 --enable-multilib --with-multilib-list=m32,mx32,m64
--disable-fixed-point --with-abi=m64 --enable-targets=all
--enable-offload-defaulted --enable-offload-targets=nvptx-none --enable-libgomp
--disable-libssp --enable-libada --disable-cet --enable-systemtap
--enable-valgrind-annotations --enable-valgrind-interop --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-host-shared
--enable-libgdiagnostics --enable-linker-build-id --enable-linker-build-id
--enable-linker-build-id --enable-linker-build-id
--with-build-config=bootstrap-O3
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.0 20260110 (experimental)
5079424ade2deddfa8d39a48a892f60679e4e32d (Gentoo Hardened 16.0.9999 p, commit
808ad21635573dbf12f9b0a1df7e83c9f1815f92)
```
