[clang] [Clang][CWG1815] Support lifetime extension of temporary created by aggregate initialization using a default member initializer (PR #92527)

[via cfe-commits]

================
@@ -14113,12 +14120,9 @@ 
TreeTransform<Derived>::TransformCXXTemporaryObjectExpr(
     return SemaRef.MaybeBindToTemporary(E);
   }
 
-  // FIXME: We should just pass E->isListInitialization(), but we're not
-  // prepared to handle list-initialization without a child InitListExpr.
   SourceLocation LParenLoc = T->getTypeLoc().getEndLoc();
   return getDerived().RebuildCXXTemporaryObjectExpr(
-      T, LParenLoc, Args, E->getEndLoc(),
-      /*ListInitialization=*/LParenLoc.isInvalid());
+      T, LParenLoc, Args, E->getEndLoc(), E->isListInitialization());
----------------
yronglin wrote:

The issue in https://github.com/llvm/llvm-project/pull/87933 caused by 
`/*ListInitialization=*/LParenLoc.isInvalid()`. 

https://github.com/llvm/llvm-project/pull/92527
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