https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116607
Bug ID: 116607
Summary: ICE: tree check: expected tree_list, have integer_cst
in has_active_contract_condition, at
cp/contracts.cc:1505 with no_sanitize attribute and
-fcontracts option
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 a {
__attribute__((no_sanitize(""))) operator+(b) [[pre]]
} int a::operator+(int) {
This program was reduced by Creduce.
*******************************************************************************
Command Lines:
$ gcc -fcontracts mutant.C
mutant.C:2:46: error: 'b' has not been declared
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^
mutant.C:2:54: error: expected contract semantic or level
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^
mutant.C:2:54: error: expected ':' before ']' token
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^
| :
mutant.C:2:36: error: ISO C++ forbids declaration of 'operator+' with no type
[-fpermissive]
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^~~~~~~~
mutant.C:2:55: error: expected ';' at end of member declaration
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^
| ;
mutant.C:3:2: error: expected ';' after struct definition
3 | } int a::operator+(int) {
| ^
| ;
mutant.C: In member function 'int a::operator+(int)':
mutant.C:2:54: error: expected primary-expression at end of input
2 | __attribute__((no_sanitize(""))) operator+(b) [[pre]]
| ^
mutant.C:3:23: internal compiler error: tree check: expected tree_list, have
integer_cst in has_active_contract_condition, at cp/contracts.cc:1505
3 | } int a::operator+(int) {
| ^
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
0x2d6b950 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
???:0
0xdca713 tree_check(tree_node*, char const*, int, char const*, tree_code)
???:0
0xf98e83 start_function_contracts(tree_node*)
???:0
0x104a026 start_preparsed_function(tree_node*, tree_node*, int)
???:0
0x104b268 start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
???:0
0x1378350 c_parse_file()
???:0
0x171c898 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.
Also ICE on trunk.
Compiler Explorer: https://godbolt.org/z/WYhhj7q15
