https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116113
Bug ID: 116113
Summary: ICE: Segmentation fault (maybe_convert_cond)
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 maybe_convert_cond 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=/home/gcc-set/gcc24-7-24/gccbin/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /home/gcc-set/gcc24-7-24/configure
--prefix=/home/gcc-set/gcc24-7-24/gccbin --enable-languages=c,c++,fortran,go
--disable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.0 20240724 (experimental) (GCC)
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Program:Please refer to the attachment.
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Command Lines:
#g++ scanner-pp.cpp -fprofile-arcs -ftest-coverage -O3 -o scanner-pp
...
...
...
...
/usr/lib/gcc/x86_64-pc-linux-gnu/13/include/g++-v13/type_traits:100019:37:
error: no match for ‘operator*’ (operand type is
‘std::vector<dwarfs::inode_manager::fragment_info>::iterator’)
/usr/lib/gcc/x86_64-pc-linux-gnu/13/include/g++-v13/type_traits:100022:19:
internal compiler error: Segmentation fault
0x27f432e internal_error(char const*, ...)
/home/gcc-set/gcc24-7-24/gcc/diagnostic-global-context.cc:491
0x1412bf6 crash_signal
/home/gcc-set/gcc24-7-24/gcc/toplev.cc:319
0xd4b8e5 maybe_convert_cond
/home/gcc-set/gcc24-7-24/gcc/cp/semantics.cc:974
0xd4b946 maybe_convert_cond
/home/gcc-set/gcc24-7-24/gcc/cp/semantics.cc:966
0xd4b946 finish_if_stmt_cond(tree_node*, tree_node*)
/home/gcc-set/gcc24-7-24/gcc/cp/semantics.cc:1154
0xcb0624 cp_parser_selection_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13706
0xc76dba cp_parser_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:12743
0xc79f8f cp_parser_statement_seq_opt
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13451
0xcae86e cp_parser_already_scoped_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:15134
0xcb137b cp_parser_iteration_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:14743
0xc76d91 cp_parser_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:12750
0xc79f8f cp_parser_statement_seq_opt
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13451
0xc7a20f cp_parser_compound_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13298
0xcb00c5 cp_parser_implicitly_scoped_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:15070
0xcb0697 cp_parser_selection_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13727
0xc76dba cp_parser_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:12743
0xc79f8f cp_parser_statement_seq_opt
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13451
0xc7a20f cp_parser_compound_statement
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:13298
0xca2585 cp_parser_function_body
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:26175
0xca2585 cp_parser_ctor_initializer_opt_and_function_body
/home/gcc-set/gcc24-7-24/gcc/cp/parser.cc:26226
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.
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Also ICE on trunk, compiler explorer:https://godbolt.org/z/zen4vYrj5
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