https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107218
Bug ID: 107218
Summary: [13 Regression] ICE in cp_gimplify_init_expr, at
cp/cp-gimplify.cc:253
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++ 13.0.0 20221009 snapshot (g:e95e91eccd022a4a3a86da2749809fbad9afd20e) ICEs
when compiling the following testcase, reduced from
clang/testsuite/SemaCXX/cxx2a-consteval.cpp from the clang 15.0.1 test suite,
w/ -std=c++20 -O1:
namespace std {
template <typename T>
struct remove_reference {
using type = T;
};
template <typename T>
constexpr typename std::remove_reference<T>::type &&
move (T &&t) noexcept
{
return static_cast<typename std::remove_reference<T>::type &&> (t);
}
}
consteval int
f_eval ()
{
return 0;
}
struct Copy {
int (*ptr) ();
constexpr Copy (int (*p) () = nullptr) : ptr (p)
{
}
};
Copy *
test ()
{
return new Copy (std::move (Copy (&f_eval)));
}
% g++-13 -std=c++20 -O1 -c rc4hkfes.cpp
rc4hkfes.cpp: In function 'Copy* test()':
rc4hkfes.cpp:32:37: error: taking address of an immediate function 'consteval
int f_eval()'
32 | return new Copy (std::move (Copy (&f_eval)));
| ^~~~~~~
rc4hkfes.cpp:32:46: internal compiler error: in cp_gimplify_init_expr, at
cp/cp-gimplify.cc:253
32 | return new Copy (std::move (Copy (&f_eval)));
| ^
0x6adbf7 cp_gimplify_init_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/cp/cp-gimplify.cc:253
0x9eb5f7 cp_gimplify_expr(tree_node**, gimple**, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/cp/cp-gimplify.cc:508
0xef9cce gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:16237
0xf0c527 gimplify_stmt(tree_node**, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:7187
0xf0c527 gimplify_compound_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:6380
0xf0c5c9 gimplify_compound_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:6378
0xf0db89 gimplify_modify_expr_rhs
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:5682
0xf0e316 gimplify_modify_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:6076
0xefa661 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:16328
0xefcf96 gimplify_stmt(tree_node**, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:7187
0xf0b4fd gimplify_and_add(tree_node*, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:492
0xf0b4fd gimplify_return_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:1680
0xefae1a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:16590
0xefcf96 gimplify_stmt(tree_node**, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:7187
0xefe7cc gimplify_cleanup_point_expr
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:6928
0xefb1e2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:16721
0xf1dfe2 gimplify_stmt(tree_node**, gimple**)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:7187
0xf1dfe2 gimplify_body(tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:17588
0xf1e46a gimplify_function_tree(tree_node*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/gimplify.cc:17787
0xd39a97 cgraph_node::analyze()
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221009/work/gcc-13-20221009/gcc/cgraphunit.cc:676
I suspect it can be a duplicate of PR107198, though.
