================
@@ -802,9 +842,19 @@ InitListChecker::FillInEmptyInitializations(const
InitializedEntity &Entity,
}
}
} else {
+ InitListExpr *SForm =
+ ILE->isSyntacticForm() ? ILE : ILE->getSyntacticForm();
// The fields beyond ILE->getNumInits() are default initialized, so in
// order to leave them uninitialized, the ILE is expanded and the extra
// fields are then filled with NoInitExpr.
+
+ // Some checks that required for MFI warning are bound to how many
+ // elements the initializer list originally was provided, perform them
+ // before the list is expanded
+ bool MaybeEmitMFIWarning =
+ !SForm->isIdiomaticZeroInitializer(SemaRef.getLangOpts()) &&
+ ILE->getNumInits() &&
+ !(hasAnyDesignatedInits(SForm) && !SemaRef.getLangOpts().CPlusPlus);
----------------
Fznamznon wrote:
Reversed the order.
It seems clang emulates this GCC behavior for 10+ years and changing that can
be a disruptive change, I wanted to avoid that.
I added a FIXME highlighting the problem though.
https://github.com/llvm/llvm-project/pull/70829
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