https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115598
Bug ID: 115598
Summary: ICE: in build_call_a, at cp/call.cc:370
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 an internal error during build_call_a 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:
# cat 2.ii
namespace std
{
class exception
{
virtual ~exception() throw();
};
}
namespace std __attribute__((__visibility__("default")))
{
template <typename _CharT, typename _Traits = char_traits<_CharT>, typename
_Alloc = allocator<_CharT>>
class basic_string;
typedef basic_string<char> string;
}
namespace boost
{
class exception
{
};
}
namespace __cxxabiv1
{
extern "C" void *__dynamic_cast(const void *__src_ptr, const
__class_type_info *__src_type, const __class_type_info *__dst_type, ptrdiff_t
__src2dst);
inline std::string diagnostic_information_impl(boost::exception const *be,
std::exception const *se, bool with_what)
{
if (!be)
be = dynamic_cast<boost::exception const *>(se);
}
}
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Command Lines:
# g++ 2.ii -Werror -O2 -ftrapv -fstack-protector-strong -o -c 2.o
\2.ii:10:49: error: ‘char_traits’ does not name a type
10 | template <typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT>>
| ^~~~~~~~~~~
2.ii:10:60: error: expected ‘>’ before ‘<’ token
10 | template <typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT>>
| ^
2.ii:12:28: error: template argument 2 is invalid
12 | typedef basic_string<char> string;
| ^
2.ii:22:64: error: ‘__class_type_info’ does not name a type
22 | extern "C" void *__dynamic_cast(const void *__src_ptr, const
__class_type_info *__src_type, const __class_type_info *__dst_type, ptrdiff_t
__src2dst);
|
^~~~~~~~~~~~~~~~~
2.ii:22:101: error: ‘__class_type_info’ does not name a type
22 | extern "C" void *__dynamic_cast(const void *__src_ptr, const
__class_type_info *__src_type, const __class_type_info *__dst_type, ptrdiff_t
__src2dst);
|
^~~~~~~~~~~~~~~~~
2.ii:22:132: error: ‘ptrdiff_t’ has not been declared
22 | extern "C" void *__dynamic_cast(const void *__src_ptr, const
__class_type_info *__src_type, const __class_type_info *__dst_type, ptrdiff_t
__src2dst);
|
^~~~~~~~~
<built-in>: error: conflicting declaration of C function ‘void*
__cxxabiv1::__dynamic_cast(const void*, const __class_type_info*, const
__class_type_info*, long int)’
2.ii:22:20: note: previous declaration ‘void* __cxxabiv1::__dynamic_cast(const
void*, const int*, const int*, int)’
22 | extern "C" void *__dynamic_cast(const void *__src_ptr, const
__class_type_info *__src_type, const __class_type_info *__dst_type, ptrdiff_t
__src2dst);
| ^~~~~~~~~~~~~~
2.ii: In function ‘std::string __cxxabiv1::diagnostic_information_impl(const
boost::exception*, const std::exception*, bool)’:
2.ii:26:53: internal compiler error: in build_call_a, at cp/call.cc:370
26 | be = dynamic_cast<boost::exception const *>(se);
| ^
0x7958c9 build_call_a(tree_node*, int, tree_node**)
/root/gdbtest/gcc/obj/../gcc/gcc/cp/call.cc:370
0xaa4a20 build_cxx_call(tree_node*, int, tree_node**, int, tree_node*)
/root/gdbtest/gcc/obj/../gcc/gcc/cp/call.cc:11083
0xcf87e6 build_dynamic_cast_1
/root/gdbtest/gcc/obj/../gcc/gcc/cp/rtti.cc:797
0xcf87e6 build_dynamic_cast(unsigned int, tree_node*, tree_node*, int)
/root/gdbtest/gcc/obj/../gcc/gcc/cp/rtti.cc:846
0xc6a538 cp_parser_postfix_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:7598
0xc44eeb cp_parser_binary_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:10398
0xc45c54 cp_parser_assignment_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:10742
0xc46d9d cp_parser_constant_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:11032
0xc47e66 cp_parser_initializer_clause
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:26229
0xc45f1a cp_parser_assignment_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:10760
0xc461f4 cp_parser_expression
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:10909
0xc4c927 cp_parser_expression_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:13175
0xc8515b cp_parser_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:12952
0xc86291 cp_parser_implicitly_scoped_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:15006
0xc86901 cp_parser_selection_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:13703
0xc85105 cp_parser_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:12726
0xc59807 cp_parser_statement_seq_opt
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:13427
0xc59a2f cp_parser_compound_statement
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:13281
0xc7ccd5 cp_parser_function_body
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:26072
0xc7ccd5 cp_parser_ctor_initializer_opt_and_function_body
/root/gdbtest/gcc/obj/../gcc/gcc/cp/parser.cc:26123
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/qxa6rbobG
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