================
@@ -480,6 +485,54 @@ class LifetimeSafetySemaHelperImpl : public 
LifetimeSafetySemaHelper {
     return "";
   }
 
+  const Expr *extractExpr(const Expr *E) {
+    // FIXME: Ideally, this should use IgnoreParenImpCasts().
+    // However, according to the comment on IgnoreParenImpCasts(),
+    // it is not fully equivalent to IgnoreImpCasts() + IgnoreParens().
+    // Once the FIXME in IgnoreParenImpCasts() is resolved,
+    // this can be switched to use IgnoreParenImpCasts().
+    const Expr *PureExpr = E->IgnoreImpCasts()->IgnoreParens();
----------------
suoyuan666 wrote:

Because I think `MaterializeTemporaryExpr` is worth keeping

https://github.com/llvm/llvm-project/pull/199345
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