Provoke VUID-vkDestroyDevice-device-00378 without #3069. (#3075)

Author: jimblandy

CHANGELOG.md

@@ -40,6 +40,12 @@ Bottom level categories:
 
 ## Unreleased
 
+### Bug Fixes
+
+#### General
+
+- Bother to free the `hal::Api::CommandBuffer` when a `wgpu_core::command::CommandEncoder` is dropped. By @jimblandy in [#3069](https://github.com/gfx-rs/wgpu/pull/3069).
+
 ## wgpu-0.14.0 (2022-10-05)
 
 ### Major Changes

wgpu/tests/encoder.rs

@@ -0,0 +1,11 @@
+use crate::common::{initialize_test, TestParameters};
+
+#[test]
+fn drop_encoder() {
+    initialize_test(TestParameters::default(), |ctx| {
+        let encoder = ctx
+            .device
+            .create_command_encoder(&wgpu::CommandEncoderDescriptor::default());
+        drop(encoder);
+    })
+}

wgpu/tests/root.rs

@@ -5,6 +5,7 @@ mod buffer_copy;
 mod buffer_usages;
 mod clear_texture;
 mod device;
+mod encoder;
 mod example_wgsl;
 mod instance;
 mod poll;