================
@@ -6697,6 +6697,7 @@ Sema::EvaluateConvertedConstantExpression(Expr *E,
QualType T, APValue &Value,
SmallVector<PartialDiagnosticAt, 8> Notes;
Expr::EvalResult Eval;
Eval.Diag = &Notes;
+ Eval.IsConvertedExpr = true;
----------------
eleviant wrote:
Initially I've added this variable and a check to avoid emitting warning when
implicit conversion is an error, i.e `TplBool<FIELD_OFFSET(S, y)>`. However I
wonder if we can leave things as they are, so user sees:
```
/tmp/1.cpp:19:9: error: non-type template argument evaluates to 4, which cannot
be narrowed to type 'bool' [-Wc++11-narrowing]
19 | TplBool<FIELD_OFFSET(S, y)> tb;
| ^
/tmp/1.cpp:3:35: note: expanded from macro 'FIELD_OFFSET'
3 | #define FIELD_OFFSET(type, field) ((LONG_PTR)&(((type *)0)->field))
| ^
/tmp/1.cpp:19:9: warning: folding constant expression involving cast that
performs the conversions of a reinterpret_cast is a Microsoft extension
```
So far I removed it in latest update. But still I'm wondering: can this warning
really appear more than once for the same expression?
https://github.com/llvm/llvm-project/pull/197005
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