[PATCH] D76038: PR45000: Use Sema::SetParamDefaultArgument in TransformLambdaExpr

[Aaron Puchert via Phabricator via cfe-commits]

aaronpuchert added a comment.

I tested a bit more and there is a problem: some errors now appear twice, and I think they shouldn't.

  template <typename T>
  void f(int x = [](T x = nullptr) -> int { return x; }());
  
  void g() { f<int>(); }

The error is expected, but it should only appear once:

  <stdin>:2:23: error: cannot initialize a parameter of type 'int' with an rvalue of type 'nullptr_t'
    void f(int x = [](T x = nullptr) -> int { return x; }());
                        ^   ~~~~~~~


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https://reviews.llvm.org/D76038