File: infinite-instantiation.test

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llvm-toolchain-21 1%3A21.1.6-3
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// RUN: rm -rf %t.dir && mkdir -p %t.dir
// RUN: echo '[{"directory": "%/t.dir", "command": "clang -ftemplate-depth=100 -x c++ %/s", "file": "%/s"}]' > %t.dir/compile_commands.json
// RUN: not clangd --compile-commands-dir=%t.dir -check=%s 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();
}