```c
#include <stdio.h>
typedef struct test
{ uint32_t one:1;
uint32_t two:1;
uint32_t three:1;
uint32_t four:2;
uint32_t five:1;
};

int main(void)
{
// Initialization result depends on the order of them
struct test s_a; // -> 0x0000037F
struct test s_b = { }; // -> 0x00000000
struct test s_c = { 0 }; // -> 0x00001F80
struct test s_d = { 0, }; // -> 0x00E86CE8
struct test s_e = { { 0 } }; // -> 0x00000000

printf("s_a = 0x%08X\n", ((uint32_t*)&s_a)[0]);
printf("s_b = 0x%08X\n", ((uint32_t*)&s_b)[0]);
printf("s_c = 0x%08X\n", ((uint32_t*)&s_c)[0]);
printf("s_d = 0x%08X\n", ((uint32_t*)&s_d)[0]);
printf("s_e = 0x%08X\n", ((uint32_t*)&s_e)[0]);

// uncomment block comment and comment 2 code blocks above for testing
/* struct test s_d = { 0, };
struct test s_b = { };
struct test s_a; // -> 0x0000037F
struct test s_e = { { 0 } };
struct test s_c = { 0 };


printf("s_c = 0x%08X\n", ((uint32_t*)&s_c)[0]);
printf("s_a = 0x%08X\n", ((uint32_t*)&s_a)[0]);
printf("s_d = 0x%08X\n", ((uint32_t*)&s_d)[0]);
printf("s_b = 0x%08X\n", ((uint32_t*)&s_b)[0]);
printf("s_e = 0x%08X\n", ((uint32_t*)&s_e)[0]); */

return 0;
}
```


seems fine after testing. same results on Windows 10 with tcc 0.9.27. some sample output
```c
s_c = 0x00000000
s_a = 0x00000000
s_d = 0x0014FF08
s_b = 0x00000000
s_e = 0x00000000

s_a = 0x00000000
s_b = 0x00000000
s_c = 0x00000000
s_d = 0x0014FF08
s_e = 0x00000000
```