[clang] [Clang] Do not inherit immediate-function context in lambda bodies (PR #214002)

[Corentin Jabot via cfe-commits]

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@@ -1601,6 +1601,11 @@ void Sema::ActOnStartOfLambdaDefinition(LambdaIntroducer &Intro,
   // cleanups from the enclosing full-expression.
   PushExpressionEvaluationContextForFunction(
       ExpressionEvaluationContext::PotentiallyEvaluated, LSI->CallOperator);
+
+  // A lambda body does not inherit the immediate-function context of the
+  // enclosing lambda-expression.
+  currentEvaluationContext().InImmediateFunctionContext =
+      LSI->CallOperator->isConsteval();
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cor3ntin wrote:

`PushExpressionEvaluationContextForFunction` already does that.
Did you explore whether there might be a bug in PushExpressionEvaluationContextForFunction ?

https://github.com/llvm/llvm-project/pull/214002