user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movw   $0x0,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x7fff,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0x7ffe,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0xfffe,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x7ff8,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x7fff,-0xa(%rbp)
  movw   $0xfffe,-0xa(%rbp)
  movw   $0x1,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x8000,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0x0,-0xa(%rbp)
  movw   $0xffff,-0xa(%rbp)
  movw   $0x1,-0xa(%rbp)
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
int main(int argc, const char **argv) {
  signed short res;
  if (__builtin_mul_overflow((signed short)0x0, (signed short)0x0, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x0, (signed short)0x7FFF, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x0, (signed short)0x8000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x1, (signed short)0x7FFF, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x1, (signed short)0x8000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x2, (signed short)0x3FFF, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x2, (signed short)0xC000, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x2, (signed short)0x7FFF, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x2, (signed short)0x8000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x0FFF, (signed short)0x8, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x1000, (signed short)0x8, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x7FFF, (signed short)0x0, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x7FFF, (signed short)0x1, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x7FFF, (signed short)0x2, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x7FFF, (signed short)0x7FFF, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x7FFF, (signed short)0x8000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x8000, (signed short)0x0, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0x8000, (signed short)0x1, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x8000, (signed short)0x2, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x8000, (signed short)0x7FFF, &res)) {
    return -1;
  }
  if (!__builtin_mul_overflow((signed short)0x8000, (signed short)0x8000, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0xFFFF, (signed short)0x0, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0xFFFF, (signed short)0x1, &res)) {
    return -1;
  }
  if (__builtin_mul_overflow((signed short)0xFFFF, (signed short)0xFFFF, &res)) {
    return -1;
  }
  return 0;
}
```