Let init_putz one-time generation.

Let init_putz one-time generation.
At the same time, increase the GCC style warning
---------------------------------------------------------------------------
int main()
{
	int a[10] = {[5]=5};
	return 0;
}

Disassembly of section .text:

0000000000000000 <main>:
   0:	55                   	push   %rbp
   1:	48 89 e5             	mov    %rsp,%rbp
   4:	48 81 ec 30 00 00 00 	sub    $0x30,%rsp
   b:	b8 05 00 00 00       	mov    $0x5,%eax
  10:	89 45 ec             	mov    %eax,-0x14(%rbp)
  13:	48 b8 14 00 00 00 00 	movabs $0x14,%rax
  1a:	00 00 00
  1d:	49 89 c2             	mov    %rax,%r10
  20:	b8 00 00 00 00       	mov    $0x0,%eax
  25:	48 89 c6             	mov    %rax,%rsi
  28:	48 8d 45 d8          	lea    -0x28(%rbp),%rax
  2c:	48 89 c7             	mov    %rax,%rdi
  2f:	4c 89 d2             	mov    %r10,%rdx
  32:	b8 00 00 00 00       	mov    $0x0,%eax
  37:	e8 fc ff ff ff       	callq  38 <main+0x38>
  3c:	48 b8 10 00 00 00 00 	movabs $0x10,%rax
  43:	00 00 00
  46:	49 89 c2             	mov    %rax,%r10
  49:	b8 00 00 00 00       	mov    $0x0,%eax
  4e:	48 89 c6             	mov    %rax,%rsi
  51:	48 8d 45 f0          	lea    -0x10(%rbp),%rax
  55:	48 89 c7             	mov    %rax,%rdi
  58:	4c 89 d2             	mov    %r10,%rdx
  5b:	b8 00 00 00 00       	mov    $0x0,%eax
  60:	e8 fc ff ff ff       	callq  61 <main+0x61>
  65:	b8 00 00 00 00       	mov    $0x0,%eax
  6a:	e9 00 00 00 00       	jmpq   6f <main+0x6f>
  6f:	c9                   	leaveq
  70:	c3                   	retq

After the patch

0000000000000000 <main>:
   0:	55                   	push   %rbp
   1:	48 89 e5             	mov    %rsp,%rbp
   4:	48 81 ec 30 00 00 00 	sub    $0x30,%rsp
   b:	48 b8 28 00 00 00 00 	movabs $0x28,%rax
  12:	00 00 00
  15:	49 89 c2             	mov    %rax,%r10
  18:	b8 00 00 00 00       	mov    $0x0,%eax
  1d:	48 89 c6             	mov    %rax,%rsi
  20:	48 8d 45 d8          	lea    -0x28(%rbp),%rax
  24:	48 89 c7             	mov    %rax,%rdi
  27:	4c 89 d2             	mov    %r10,%rdx
  2a:	b8 00 00 00 00       	mov    $0x0,%eax
  2f:	e8 fc ff ff ff       	callq  30 <main+0x30>
  34:	b8 05 00 00 00       	mov    $0x5,%eax
  39:	89 45 ec             	mov    %eax,-0x14(%rbp)
  3c:	b8 00 00 00 00       	mov    $0x0,%eax
  41:	e9 00 00 00 00       	jmpq   46 <main+0x46>
  46:	c9                   	leaveq
  47:	c3                   	retq
 -----------------------------------------------------------------------------------
"c5.c"
int main()
{
  // union st
   struct st
   {
    char c;
    short s;
   // char cc[];
    };
   // union st
  struct st
    ss = { 1, 2, 3};
   // int a = ss;
    char cb[1] = {1,2,3};
    return 0;
}

c5.c:12: warning: excess elements in struct initializer
c5.c:14: warning: excess elements in array initializer
c5.c:14: warning: excess elements in array initializer