| // PR c++/91548 - fix detecting modifying const objects for ARRAY_REF. | |
| // { dg-do compile { target c++14 } } | |
| constexpr int& impl(const int (&array)[10], int index) { | |
| return const_cast<int&>(array[index]); | |
| } | |
| struct A { | |
| constexpr int& operator[](int i) { return impl(elems, i); } | |
| int elems[10]; | |
| }; | |
| constexpr bool | |
| f() | |
| { | |
| A arr = {}; | |
| arr[2] = true; | |
| return false; | |
| } | |
| constexpr bool b = f(); |