================
@@ -1543,3 +1544,55 @@ namespace GH197403 {
}
static_assert(test() == 0);
}
+
+namespace GH223064 {
+ struct A {
+ int n;
+ };
+ struct B : A {} b[2];
+
+ constexpr int *base_array_element() {
+ A *p = b;
+ return &static_cast<B *>(p)[1].n;
+ }
+ static_assert(base_array_element() == &b[1].n);
+
+ constexpr int pointer_difference() {
+ A *p = b;
+ return p - p;
+ }
+ static_assert(pointer_difference() == 0);
----------------
ChenMiaoi wrote:
Do you really understand and test it?
https://github.com/llvm/llvm-project/pull/230599
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