https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117384
Bug ID: 117384
Summary: [15 regression] ICE when building gwenhywfar-5.10.1
(error: non-trivial conversion in ‘var_decl’)
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 59513
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59513&action=edit
gwentest.i.xz
Originally reported downstream in Gentoo at https://bugs.gentoo.org/942593.
```
$ gcc -c ./gwentest.i
gwentest.c: In function ‘testDES3’:
gwentest.c:3902:5: error: non-trivial conversion in ‘var_decl’
3902 | int testDES3(void)
| ^~~~~~~~
unsigned char[144]
char[144]
MEM <unsigned char[144]> [(void *)&testString] = *.LC0;
gwentest.c:3902:5: internal compiler error: ‘verify_gimple’ failed
0x5e526a4be91e internal_error(char const*, ...)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/diagnostic-global-context.cc:518
0x5e5268de4903 verify_gimple_in_seq(gimple*, bool)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/tree-cfg.cc:5333
0x5e526a71052b gimplify_body(tree_node*, bool)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:19548
0x5e526a70cbbf gimplify_function_tree(tree_node*)
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/gimplify.cc:19666
0x5e526a70abc1 cgraph_node::analyze()
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cgraphunit.cc:688
0x5e526ae987ba analyze_functions
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cgraphunit.cc:1252
0x5e526ae98223 symbol_table::finalize_compilation_unit()
/usr/src/debug/sys-devel/gcc-15.0.9999/gcc-15.0.9999/gcc/cgraphunit.cc:2561
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,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 15.0.9999 p, commit
a0691e3578dcab1c745e963bb4f9ffe2a3889cf3' --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 20241029 (experimental)
7f622ee83fbbcf4a4ca70e020db8a0ce4b556b61 (Gentoo Hardened 15.0.9999 p, commit
a0691e3578dcab1c745e963bb4f9ffe2a3889cf3)
```
