[clang] [Clang] Only check exprs that might be immediate escalating in evaluated contexts (PR #93187)

[via cfe-commits]

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@@ -5146,6 +5153,12 @@ class Sema final : public SemaBase {
     return ExprEvalContexts.back();
   };
 
+  const ExpressionEvaluationContextRecord &parentEvaluationContext() const {
+    assert(ExprEvalContexts.size() >= 2 &&
+           "Must be in an expression evaluation context");
+    return ExprEvalContexts[ExprEvalContexts.size() - 2];
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cor3ntin wrote:

Yes, I was actually thinking of doing that!

https://github.com/llvm/llvm-project/pull/93187