https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117326
Bug ID: 117326
Summary: ICE: in assign_temp, at function.cc:990 with -flto and
attribute constructor
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: iamanonymous.cs at gmail dot com
Target Milestone: ---
*******************************************************************************
OS and Platform:
$ uname -a:
Linux 65dac7c84719 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC
2023 x86_64 x86_64 x86_64 GNU/Linux
*******************************************************************************
gcc version:
Using built-in specs.
COLLECT_GCC=/home/software/gcc-trunk-3aa004f/bin/gcc
COLLECT_LTO_WRAPPER=/home/software/gcc-trunk-3aa004f/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --disable-multilib --disable-bootstrap
--enable-languages=c,c++ --prefix=/home/software/gcc-trunk-3aa004f
--enable-coverage
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.0 20240630 (experimental) (GCC)
*******************************************************************************
Program:
$ cat mutant.C
struct b {
b();
b(b &);
} a;
__attribute__((constructor)) b c() {}
*******************************************************************************
Command Lines:
$ gcc -flto mutant.C
mutant.C: In function 'b c()':
mutant.C:5:37: warning: no return statement in function returning non-void
[-Wreturn-type]
5 | __attribute__((constructor)) b c() {}
| ^
during RTL pass: expand
In function '_sub_I_65535_0':
lto1: internal compiler error: in assign_temp, at function.cc:990
0x4ddb72b diagnostic_context::report_diagnostic(diagnostic_info*)
???:0
0x4ddbffd diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1],
diagnostic_t)
???:0
0x4dfc327 internal_error(char const*, ...)
???:0
0x4ddc540 fancy_abort(char const*, int, char const*)
???:0
0x12ece0e assign_temp(tree_node*, int, int)
???:0
0xea6a1f expand_call(tree_node*, rtx_def*, int)
???:0
0x120833c expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
???:0
0x11f0112 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
???:0
0xe8b6c4 expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier)
???:0
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.
lto-wrapper: fatal error: /home/software/gcc-trunk-3aa004f/bin/gcc returned 1
exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Godbolt link: https://godbolt.org/z/Yo76Tcr71
