================
@@ -9744,6 +9744,16 @@ static void DiagnoseNarrowingInInitList(Sema &S,
case NK_Constant_Narrowing: {
// A constant value was narrowed.
+
+ // Overflow behavior destination types with a 'wrap' kind can elide
----------------
ojhunt wrote:
No, you are misunderstanding the point of this diagnostic.
The error is not the wrapping behavior, it is the author getting the underlying
type wrong.
e.g. the author wrote `uint32_t` when they meant to write `unint64_t`. The fact
that they want the type to have defined wrapping semantics is irrelevant to
that diagnosis.
> But yes, it is possible to write bad code, even when using OBTs.
Correct, and the literally entire point of this warning is to prevent this
*exact* error.
https://github.com/llvm/llvm-project/pull/148914
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