Remove !encoder.is_open assertion

The encoder will be open if `CommandEncoder::as_hal_mut` has been used.

Author: andyleiserson

CHANGELOG.md

@@ -42,10 +42,18 @@ Bottom level categories:
 
 ### Bug Fixes
 
+#### General
+
+- Remove an assertion that causes problems if `CommandEncoder::as_hal_mut` is used. By @andyleiserson in [#8387](https://github.com/gfx-rs/wgpu/pull/8387).
+
 #### DX12
 
 - Align copies b/w textures and buffers via a single intermediate buffer per copy when `D3D12_FEATURE_DATA_D3D12_OPTIONS13.UnrestrictedBufferTextureCopyPitchSupported` is `false`. By @ErichDonGubler in [#7721](https://github.com/gfx-rs/wgpu/pull/7721).
 
+#### Naga
+
+- Fix a bug that resulted in the Metal error `program scope variable must reside in constant address space` in some cases. Backport of [#8311](https://github.com/gfx-rs/wgpu/pull/8311) by @teoxoy.
+
 ## v27.0.2 (2025-10-03)
 
 ### Bug Fixes

wgpu-core/src/command/mod.rs

@@ -357,11 +357,7 @@ impl CommandEncoderStatus {
         // Replace our state with `Consumed`, and return either the inner
         // state or an error, to be transferred to the command buffer.
         match mem::replace(self, Self::Consumed) {
-            Self::Recording(inner) => {
-                // Nothing should have opened the encoder yet.
-                assert!(!inner.encoder.is_open);
-                Self::Finished(inner)
-            }
+            Self::Recording(inner) => Self::Finished(inner),
             Self::Consumed | Self::Finished(_) => Self::Error(EncoderStateError::Ended.into()),
             Self::Locked(_) => Self::Error(EncoderStateError::Locked.into()),
             st @ Self::Error(_) => st,