From d8e586dd3b87e47883e66c130845546f8bbe4bc5 Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Mon, 1 Jun 2026 13:35:57 -0400
Subject: [PATCH] compiler/rust/smallvec: Implement From<SmallVec<T>> for
 Vec<T>

Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41941>
---
 src/compiler/rust/smallvec.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/compiler/rust/smallvec.rs b/src/compiler/rust/smallvec.rs
index afeecce004c..97537ee7fa4 100644
--- a/src/compiler/rust/smallvec.rs
+++ b/src/compiler/rust/smallvec.rs
@@ -161,6 +161,16 @@ impl<T> FromIterator<T> for SmallVec<T> {
     }
 }
 
+impl<T> From<SmallVec<T>> for Vec<T> {
+    fn from(sv: SmallVec<T>) -> Vec<T> {
+        match sv {
+            SmallVec::None => Vec::new(),
+            SmallVec::One(i) => vec![i],
+            SmallVec::Many(v) => v,
+        }
+    }
+}
+
 enum IntoIterImpl<T> {
     None,
     One(T),