https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119563
Bug ID: 119563
Summary: internal compiler error on vector initialization
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: germant at miltenyi dot com
Target Milestone: ---
Created attachment 60945
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60945&action=edit
Preprocessed source
g++ fails with a segmentation fault while compiling a program that contains
only the initialization of a std::vector. Further information:
Reading specs from
/home/germant/gcc/15/lib/gcc/x86_64-pc-linux-gnu/15.0.1/specs
COLLECT_GCC=/home/germant/gcc/15/bin/g++
COLLECT_LTO_WRAPPER=/home/germant/gcc/15/libexec/gcc/x86_64-pc-linux-gnu/15.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-15-20250330/configure --prefix=/home/germant/gcc/15
--enable-languages=c,c++,rust --enable-shared --without-included-gettext
--enable-threads=posix --enable-multiarch --disable-werror --with-tune=generic
--without-cuda-driver --disable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.1 20250330 (experimental) (GCC)
>uname -a
uname -a
Linux ccptmb 5.4.0-176-generic #196-Ubuntu SMP Fri Mar 22 16:46:39 UTC 2024
x86_64 x86_64 x86_64 GNU/Linux
>g++ --save-temps -c t.cpp -o t
t.cpp:28:55: internal compiler error: Segmentation fault
28 | 143, 142, 140, 138, 136, 136, 132, 132, 107, 105, 89};
| ^
0x29a9f9f internal_error(char const*, ...)
../../gcc-15-20250330/gcc/diagnostic-global-context.cc:517
0x14a50af crash_signal
../../gcc-15-20250330/gcc/toplev.cc:322
0x7f8dfbe7908f ???
/build/glibc-FcRMwW/glibc-2.31/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0xb2f8db build_list_conv
../../gcc-15-20250330/gcc/cp/call.cc:921
0xb2f8db implicit_conversion
../../gcc-15-20250330/gcc/cp/call.cc:2197
0xb32ca8 add_function_candidate
../../gcc-15-20250330/gcc/cp/call.cc:2637
0xb34650 add_candidates
../../gcc-15-20250330/gcc/cp/call.cc:6866
0xb352de add_candidates
../../gcc-15-20250330/gcc/cp/call.cc:6678
0xb352de add_list_candidates
../../gcc-15-20250330/gcc/cp/call.cc:4314
0xb2dd0f build_user_type_conversion_1
../../gcc-15-20250330/gcc/cp/call.cc:4601
0xb2eaf4 implicit_conversion
../../gcc-15-20250330/gcc/cp/call.cc:2249
0xb2fbdf perform_implicit_conversion_flags(tree_node*, tree_node*, int, int)
../../gcc-15-20250330/gcc/cp/call.cc:13979
0xbb4032 ocp_convert(tree_node*, tree_node*, int, int, int)
../../gcc-15-20250330/gcc/cp/cvt.cc:951
0xc31fde expand_default_init
../../gcc-15-20250330/gcc/cp/init.cc:2175
0xc31fde expand_aggr_init_1
../../gcc-15-20250330/gcc/cp/init.cc:2361
0xc34513 build_aggr_init(tree_node*, tree_node*, int, int)
../../gcc-15-20250330/gcc/cp/init.cc:2080
0xbfb0c1 build_aggr_init_full_exprs
../../gcc-15-20250330/gcc/cp/decl.cc:7793
0xbfb0c1 check_initializer
../../gcc-15-20250330/gcc/cp/decl.cc:7958
0xbff912 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int,
cp_decomp*)
../../gcc-15-20250330/gcc/cp/decl.cc:9201
0xd1892a cp_parser_init_declarator
../../gcc-15-20250330/gcc/cp/parser.cc:24277
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
