// PR target/94704
// { dg-do compile }
// { dg-options "-O2 -std=c++17" }
// Test that for no calls in this testcase the C++17 empty base
// artificial fields and [[no_unique_address]] empty class non-static
// data members are ignored in the decision whether passed arguments
// have a single floating point field.
// { dg-final { scan-assembler-not {(?n)^\s+ld\s+%f0,} } }

struct X { };
struct Y { int : 0; };
struct Z { int : 0; Y y; };
struct U : public X { X q; };
struct A { double a; };
struct B : public X { double a; };
struct C : public Y { double a; };
struct D : public Z { double a; };
struct E : public U { double a; };
struct F { [[no_unique_address]] X x; double a; };
struct G { [[no_unique_address]] Y y; double a; };
struct H { [[no_unique_address]] Z z; double a; };
struct I { [[no_unique_address]] U u; double a; };
struct J { double a; [[no_unique_address]] X x; };
struct K { double a; [[no_unique_address]] Y y; };
struct L { double a; [[no_unique_address]] Z z; };
struct M { double a; [[no_unique_address]] U u; };
#define T(S, s) extern S s; extern void foo##s (S); int bar##s () { foo##s (s); return 0; }
// { dg-bogus "parameter passing for argument of type" }
T (D, d)
T (E, e)
T (H, h)
T (I, i)
T (L, l)
T (M, m)