================
@@ -353,7 +353,11 @@ Sema::DiagnoseUnexpandedParameterPacks(SourceLocation Loc,
}
if (!EnclosingStmtExpr) {
- LSI->ContainsUnexpandedParameterPack = true;
+ // It is ok to have unexpanded packs in captures, template parameters
+ // and parameters too, but only the body statement does not store this
+ // flag, so we have to propagate it through LamdaScopeInfo.
+ if (LSI->AfterParameterList)
+ LSI->BodyContainsUnexpandedParameterPack = true;
----------------
zyn0217 wrote:
Yeah, one thing I didn't notice in #86265 is that we could propagate up the
unexpanded pack flag for statements through calls to
`DiagnoseUnexpandedParameterPacks()`. (IIUC we call this function at the end of
every expressions?)
https://github.com/llvm/llvm-project/pull/99882
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