tests/compute/*type-param* tests are broken

[aleino-nv]

Output with slangc:

c:\Users\aleino\environments\slang>C:\Users\aleino\workspaces\slang\build\Debug\bin\slangc.exe -o C:\Users\aleino\targets\hello-webgpu\test_compute.wgsl -target wgsl -stage compute -entry computeMain C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang   || exit 1 
C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang(53): error 30027: 'ColorSet' is not a member of 'typeof(TVertex)'.
    TVertex.ColorSet    color;
            ^~~~~~~~
C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang(80): error 30027: 'getPosition' is not a member of 'TVertex'.
    float3 position = input.assembledVertex.getPosition();
                                            ^~~~~~~~~~~
C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang(82): error 30027: 'getUv' is not a member of 'TVertex'.
    output.coarseVertex.uv = input.assembledVertex.getUv();
                                                   ^~~~~
C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang(83): error 30027: 'getColorSet' is not a member of 'TVertex'.
    output.coarseVertex.color = input.assembledVertex.getColorSet();
                                                      ^~~~~~~~~~~
(0): error 30015: undefined identifier 'computeMain'.
C:\Users\aleino\workspaces\slang\tests/compute/type-param-varying.slang(8): error 38000: no function found matching entry point name 'computeMain'
interface IColorSet
^~~~~~~~~

[aleino-nv]

@bmillsNV Yesterday @csyonghe indicated that we should perhaps just close this issue.
Yong, was it the case that "global type-params" are not expected to work?