https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115940
Bug ID: 115940
Summary: ICE: tree check: expected record_type or union_type or
qual_union_type, have translation_unit_decl in
maybe_dummy_object, at cp/tree.cc:4379
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: ---
Target: x86_64
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The compiler produces a segfault during tree_check_failed when compiling the
provided code with the specified options.
The issue can also be reproduced on Compiler Explorer.
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OS and Platform:
# uname -a
Linux ubuntu 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
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# g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/root/gdbtest/gcc/gcc-15/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /root/gdbtest/gcc/obj/../gcc/configure
--prefix=/root/gdbtest/gcc/gcc-15 --enable-languages=c,c++,fortran,go
--disable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.0 20240509 (experimental) (GCC)
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Program:Please refer to the attachment.
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Command Lines:
# g++ BlockRegion.i -O3 -march=native -flto -fsanitize=address,undefined
-fno-omit-frame-pointer -Wall -Wextra -Wpedantic -Wshadow -Wconversion
-Wdouble-promotion -fstack-protector-all -fno-strict-aliasing -Wstrict-overflow
-Wnull-dereference -Wformat=2 -Wformat-signedness -c -o BlockRegion.o
<source>:1:3: warning: style of line directive is a GCC extension
1 | # 1 "PFA/BlockRegion.c"
| ^
PFA/BlockRegion.c:1:3: warning: style of line directive is a GCC extension
<built-in>: warning: style of line directive is a GCC extension
<command line>:1:3: warning: style of line directive is a GCC extension
PFA/BlockRegion.c:1:3: warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/BlockRegion.xcc:16:3:
warning: style of line directive is a GCC extension
In file included from
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/BlockRegion.xcc:16:
PFA/PFA._h:1:3: warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/PFA.xcc:19:3:
warning: style of line directive is a GCC extension
In file included from
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/PFA.xcc:19:
PFA/PFA.h:1:3: warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/PFA.xcc:1:3:
warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/PFA.xcc:22:3:
warning: style of line directive is a GCC extension
In file included from
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/lao/PFA/PFA.xcc:22:
/work1/monat/tmp/include/CCL.h:1:3: warning: style of line directive is a GCC
extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/CCL/CCL.xcc:1:3:
warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/CCL/CCL.xcc:20:3:
warning: style of line directive is a GCC extension
In file included from
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/CCL/CCL.xcc:20:
/work1/monat/tmp/include/BSL.h:1:3: warning: style of line directive is a GCC
extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/BSL.xcc:1:3:
warning: style of line directive is a GCC extension
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/BSL.xcc:19:3:
warning: style of line directive is a GCC extension
In file included from
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/BSL.xcc:19:
/work1/monat/tmp/include/CDT.h:4:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:5:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:6:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:7:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:8:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:9:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:10:3: warning: style of line directive is a GCC
extension
/work1/monat/tmp/include/CDT.h:12:3: warning: style of line directive is a GCC
extension
....
....
....
....
....
....
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:294:15:
error: a non-member function cannot have an explicit object parameter
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:
In explicit object member function 'MemoryItemList_* Memory_blocks(this
Memory)':
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:296:14:
error: 'this' is unavailable for explicit object member functions
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:294:15:
note: name the explicit object parameter
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:
At global scope:
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:314:21:
error: 'this' must be the first specifier in a parameter declaration
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:314:14:
warning: explicit object member function only available with '-std=c++23' or
'-std=gnu++23' [-Wc++23-extensions]
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:314:14:
error: a non-member function cannot have an explicit object parameter
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:
In explicit object member function 'void* Memory_alloc(this Memory, size_t)':
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:316:7:
error: 'this' is unavailable for explicit object member functions
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:314:14:
note: name the explicit object parameter
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:318:31:
error: invalid conversion from 'void*' to 'MemoryBlock' {aka 'MemoryBlock_*'}
[-fpermissive]
/home/compwork/monat/Open64-1-7-0-B-Linux/CVSTop-LAO2/LAO_PRO/CDT/BSL/Memory.xcc:320:5:
internal compiler error: tree check: expected record_type or union_type or
qual_union_type, have translation_unit_decl in maybe_dummy_object, at
cp/tree.cc:4379
0x26e6df5 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1],
diagnostic_t)
???:0
0x26f4a05 internal_error(char const*, ...)
???:0
0x97be1c tree_check_failed(tree_node const*, char const*, int, char const*,
...)
???:0
0xcfdeeb finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*,
bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int)
???:0
0xc71e3a c_parse_file()
???:0
0xdc7a79 c_common_parse_file()
???: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.
Compiler returned: 1
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Also ICE on trunk, compiler explorer:https://godbolt.org/z/9KaPjx5EP
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