================
@@ -20224,6 +20224,8 @@ void Sema::DiagnoseEqualityWithExtraParens(ParenExpr 
*ParenE) {
     return;
 
   Expr *E = ParenE->IgnoreParens();
+  if (ParenE->isProducedByFoldExpansion() && ParenE->getSubExpr() == E)
+    return;
----------------
erichkeane wrote:
So we would expect htis to still diagnose in a case where:

`if (((a ==b )) or ...`

.  Note hte extra parens there.  Does this still work?  My point being, perhaps 
we have to strip off this set of parens before calling this function instead.

https://github.com/llvm/llvm-project/pull/110761
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