https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117437
Bug ID: 117437
Summary: ICE: in mem_loc_descriptor, at dwarf2out.cc:17079 at
-O1 with "-fno-tree-dce" and -g and sanitizer
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
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
void __attribute__((no_sanitize("pointer-overflow"))) a() {
int b, c;
auto d = [b, &c]<typename e>(this e) {};
d();
}
*******************************************************************************
Command Lines:
$ gcc -O1 -g -fno-tree-dce -fsanitize=pointer-overflow -std=c++23 mutant.C
(expr_list:REG_DEP_TRUE (reg:SI 5 di [ D.2816 ])
(const_int 0 [0]))during RTL pass: final
mutant.C: In lambda function:
mutant.C:3:41: internal compiler error: in mem_loc_descriptor, at
dwarf2out.cc:17079
3 | auto d = [b, &c]<typename e>(this e) {};
| ^
0x576c1eb diagnostic_context::report_diagnostic(diagnostic_info*)
???:0
0x576cabd diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1],
diagnostic_t)
???:0
0x578c98b internal_error(char const*, ...)
???:0
0x576d000 fancy_abort(char const*, int, char const*)
???:0
0x1a53095 mem_loc_descriptor(rtx_def*, machine_mode, machine_mode,
var_init_status)
???:0
0x1a52f94 mem_loc_descriptor(rtx_def*, machine_mode, machine_mode,
var_init_status)
???: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.
Godbolt link: https://godbolt.org/z/EPPq1M1YE
