[clang] [HLSL] Add a warning for implicit bindings (PR #135909)

[Joshua Batista via cfe-commits]

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@@ -14,6 +14,12 @@ RWBuffer<int> c;
 // No warning - explicit binding.
 RWBuffer<float> d : register(u0);
 
+// No warning - explicit binding.
+RWBuffer<float> dd : register(space1);
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bob80905 wrote:

Shouldn't there be a warning here?
Though the space param is being explicitly bound, the register number within that space is implicitly bound, no?

https://github.com/llvm/llvm-project/pull/135909