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vkd3d-shader/ir: Avoid a compiler warning in vsir_block_list_init().

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The following warning appears during compilation with
gcc 15.1.1 20250425:

  In function 'vsir_block_list_init',
      inlined from 'vsir_block_init' at vkd3d/libs/vkd3d-shader/ir.c:3821:5,
      inlined from 'vsir_cfg_init' at vkd3d/libs/vkd3d-shader/ir.c:4285:28:
  vkd3d/libs/vkd3d-shader/ir.c:3758:5: warning: 'memset' writing 24 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
   3758 |     memset(list, 0, sizeof(*list));
        |     ^
  In function 'vsir_cfg_init':
  lto1: note: destination object is likely at address zero

looking at the code in vsir_cfg_init() this seems like an spurious
warning. Looking on the internet, these bogus warnings with memset()
seem to be a common occurrence.

memset() is replaced with a zero value assignment to avoid this.
This commit is contained in:
Francisco Casas
2025-06-05 18:23:38 -04:00
committed by Henri Verbeet
parent 3376015d88
commit 96cd4cc954
Notes: Henri Verbeet 2025-06-26 17:50:16 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1577
1 changed files with 1 additions and 1 deletions
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libs/vkd3d-shader/ir.c
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@@ -4369,7 +4369,7 @@ struct vsir_block_list
static void vsir_block_list_init(struct vsir_block_list *list)
{
memset(list, 0, sizeof(*list));
*list = (struct vsir_block_list){0};
}
static void vsir_block_list_cleanup(struct vsir_block_list *list)