https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105622
Bug ID: 105622
Summary: ICE in cxx_eval_store_expression with
[[no_unique_address]] and empty data members
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ppalka at gcc dot gnu.org
Target Milestone: ---
struct empty {
empty() = default;
constexpr empty(int) { }
};
struct container {
empty __begin_ = {};
[[no_unique_address]] empty __size_ = 0;
};
constexpr bool test() {
container s;
return true;
}
static_assert(test());
testcase.ii: In function ‘constexpr bool test()’:
testcase.ii:12:13: in ‘constexpr’ expansion of ‘s.container::container()’
testcase.ii:12:13: internal compiler error: in cxx_eval_store_expression, at
cp/constexpr.cc:5927
12 | container s;
| ^
0x6a0ca0 cxx_eval_store_expression
/home/patrick/gcc/gcc/cp/constexpr.cc:5927
0x96c254 cxx_eval_constant_expression
/home/patrick/gcc/gcc/cp/constexpr.cc:6847
0x96c4d6 cxx_eval_constant_expression
/home/patrick/gcc/gcc/cp/constexpr.cc:7236
0x96c717 cxx_eval_constant_expression
/home/patrick/gcc/gcc/cp/constexpr.cc:7048
