[PATCH v2 1/7] libasm: Fix xdefault_pattern initialization

[Mark Wielaard]

Hi Ilya,

On Wed, 2023-02-08 at 20:52 +0100, Ilya Leoshkevich wrote:
> clang complains:
> 
>     asm_newscn.c:48:22: error: field 'pattern' with variable sized type 'struct FillPattern' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end]
>       struct FillPattern pattern;
>                          ^
> 
> Fix by using a union instead. Define the second union member to be a
> char array 1 byte larger than struct FillPattern. This should be legal
> according to 6.7.9:
> 
>     If an object that has static or thread storage duration is not
>     initialized explicitly, then ... if it is a union, the first named
>     member is initialized (recursively) according to these rules, and
>     any padding is initialized to zero bits.
> 

Thanks, pushed.

Mark