Issue 5570 tests gcc iasm

typedef short S;
typedef struct s7_  { S a,b,c,d, e,f,g;     } s7;

s7 func_ret_s7( void )
{
    s7 x;
    x.a = 1;
    x.b = 2;
    x.c = 3;
    x.d = 4;
    x.e = 5;
    x.f = 6;
    x.g = 7;
    return x;
}

// Dump Registers here
struct REG { long r1,r2; } reg;

void main( void )
{
    asm(
    "call func_ret_s7\n"
    "mov %rax, reg\n"
    "mov %rdx, reg+8\n"
    );

    printf(" Reg1: 0x%lx \n", reg.r1 );
    printf(" Reg2: 0x%lx \n", reg.r2 );
}