[PATCH] D42776: [Sema] Fix an assertion failure in constant expression evaluation of calls to functions with default arguments

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak added a comment.

OK, I see. It's pretty easy to come up with an example.

  constexpr int foo1(int a = 12) {
    return a * a;
  }
  
  constexpr int foo2(int a = foo1()) {
    return a - 12;
  }


https://reviews.llvm.org/D42776