Merge pull request #825 from simeonschaub/sds/fix_coop

Author: luraess

test/device/launch.jl

@@ -131,7 +131,7 @@ end
     # end
 end
 
-if !iszero(AMDGPU.HIP.properties(AMDGPU.device()).cooperativeLaunch)
+if VERSION >= v"1.12-" && !iszero(AMDGPU.HIP.properties(AMDGPU.device()).cooperativeLaunch)
     @testset "Cooperative Groups" begin
         function test_kernel!(x)
             block_row, block_col = workgroupIdx().x, workgroupIdx().y
@@ -151,6 +151,8 @@ if !iszero(AMDGPU.HIP.properties(AMDGPU.device()).cooperativeLaunch)
                 end
                 AMDGPU.Device.sync_grid()
             end
+
+            return nothing
         end
 
         n = 4