================
@@ -2285,6 +2286,68 @@ static void DiagnoseNonTriviallyCopyableReason(Sema
&SemaRef,
SemaRef.Diag(D->getLocation(), diag::note_defined_here) << D;
}
+static void DiagnoseIsEmptyReason(Sema &S, SourceLocation Loc,
+ const CXXRecordDecl *D) {
+ // Non-static data members (ignore zero-width bit‐fields).
+ for (auto *Field : D->fields()) {
+ if (Field->isBitField() && Field->getBitWidthValue() == 0)
+ continue;
+ S.Diag(Loc, diag::note_unsatisfied_trait_reason)
+ << diag::TraitNotSatisfiedReason::NonEmptyMember << Field
+ << Field->getType() << Field->getSourceRange();
+ }
+
+ // Virtual functions.
+ for (auto *M : D->methods()) {
+ if (M->isVirtual()) {
+ S.Diag(Loc, diag::note_unsatisfied_trait_reason)
+ << diag::TraitNotSatisfiedReason::VirtualFunction << M->getDeclName()
----------------
AaronBallman wrote:
```suggestion
<< diag::TraitNotSatisfiedReason::VirtualFunction << M
```
https://github.com/llvm/llvm-project/pull/145044
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