Mesa (main): aco: include <cstddef> in aco_util.h

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Module: Mesa
Branch: main
Commit: 1d8e9430d267d872941fe2af7c1336e58f089101
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1d8e9430d267d872941fe2af7c1336e58f089101

Author: Daniel Schürmann <daniel at schuermann.dev>
Date:   Mon Jul 19 09:11:36 2021 +0200

aco: include <cstddef> in aco_util.h

It's needed for ptrdiff.

Fixes: 59fdaa1985f9269c40f0ca4704fbeb3fb05c4c2f ('aco: reorder and cleanup #includes')
Closes: #5076
Reviewed-by: Tony Wasserka <tony.wasserka at gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11947>

---

 src/amd/compiler/aco_util.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_util.h b/src/amd/compiler/aco_util.h
index 88f52182a5f..2b32e94a805 100644
--- a/src/amd/compiler/aco_util.h
+++ b/src/amd/compiler/aco_util.h
@@ -29,6 +29,7 @@
 #include "util/bitscan.h"
 
 #include <cassert>
+#include <cstddef>
 #include <iterator>
 #include <vector>
 
@@ -51,7 +52,7 @@ public:
    using reverse_iterator = std::reverse_iterator<iterator>;
    using const_reverse_iterator = std::reverse_iterator<const_iterator>;
    using size_type = uint16_t;
-   using difference_type = ptrdiff_t;
+   using difference_type = std::ptrdiff_t;
 
    /*! \brief                  Compiler generated default constructor
     */