shader: preserve wave-wide vector-store completion before publication

src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h

@@ -61,6 +61,7 @@ const ImageDimensionInfo& ImageDimensionInfoFor(ImageDimension dimension);
 struct SpirvRequirements {
 	bool bvh                          = false;
 	bool subgroup_ballot              = false;
+	bool subgroup_barrier             = false;
 	bool subgroup_shuffle             = false;
 	bool subgroup_local_invocation_id = false;
 	bool compute_derivatives          = false;