llvm-project/clang/test/CodeGenCXX/reference-init.cpp

// RUN: %clang_cc1 -emit-llvm-only -verify %s

struct XPTParamDescriptor {};
struct nsXPTParamInfo {
  nsXPTParamInfo(const XPTParamDescriptor& desc);
};
void a(XPTParamDescriptor *params) {
  const nsXPTParamInfo& paramInfo = params[0];
}

// CodeGen of reference initialized const arrays.
namespace PR5911 {
  template <typename T, int N> int f(const T (&a)[N]) { return N; }
  int iarr[] = { 1 };
  int test() { return f(iarr); }
}