clang-tools-extra/clangd/test/infinite-instantiation.test

// RUN: cp %s %t.cpp
// RUN: not clangd -check=%t.cpp 2>&1 | FileCheck -strict-whitespace %s

// CHECK: [template_recursion_depth_exceeded]

template <typename... T>
constexpr int f(T... args) {
  return f(0, args...);
}

int main() {
  auto i = f();
}