[clang] [Clang][RFC] Introduce a trait to determine the structure binding size (PR #131515)

[via cfe-commits]

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@@ -12102,7 +12102,12 @@ class IntExprEvaluator
   }
 
   bool VisitTypeTraitExpr(const TypeTraitExpr *E) {
-    return Success(E->getValue(), E);
+    if (E->isStoredAsBoolean())
+      return Success(E->getBoolValue(), E);
+    if (E->getAPValue().isAbsent())
+      return false;
+    assert(E->getAPValue().isInt() && "APValue type not supported");
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cor3ntin wrote:

I've added one in the constructor

https://github.com/llvm/llvm-project/pull/131515