From 47a81fc126004a876ccb456a1c867f3d33f84eed Mon Sep 17 00:00:00 2001
From: Ben Clayton <bclayton@google.com>
Date: Wed, 11 Jan 2023 20:00:55 +0000
Subject: [PATCH] tint/utils: Use a C-array instead of std::array

std::array unnecessarily zeros the memory, which shows up in profiles
Change-Id: I2a18ef4fb8ca46bc6fc87504858046d9b7d2fd45
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116866
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
---
 src/tint/utils/vector.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/tint/utils/vector.h b/src/tint/utils/vector.h
index 83e1c12197..cca2409f7b 100644
--- a/src/tint/utils/vector.h
+++ b/src/tint/utils/vector.h
@@ -18,7 +18,6 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <algorithm>
-#include <array>
 #include <iterator>
 #include <ostream>
 #include <utility>
@@ -592,7 +591,7 @@ class Vector {
 
     /// The internal structure for the vector with a small array.
     struct ImplWithSmallArray {
-        std::array<TStorage, N> small_arr;
+        TStorage small_arr[N];
         Slice slice = {small_arr[0].Get(), 0, N};
 
         /// Allocates a new vector of `T` either from #small_arr, or from the heap, then assigns the