================
@@ -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
----------------
JustinStitt wrote:
Without the OBT check in the diagnostic logic we get the following warning:
```c
constexpr short __ob_wrap cx2 = {100000}; // constant expression evaluates to
100000 which cannot be narrowed to type '__ob_wrap short'
```
And I didn't want this to be the case for wrapping things. So it is just a
design decisions really. It is consistent with the
`-fsanitize=implicit-unsigned-integer-truncation` handling too. I just really
want free reign over bit boundary stuff with `__ob_wrap` types.
It should be noted the OBT check only cares about the destination type.
https://github.com/llvm/llvm-project/pull/148914
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