[clang] [HLSL] Default and Relaxed Availability Diagnostics (PR #92704)

[Damyan Pepper via cfe-commits]

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@@ -345,25 +347,26 @@ class DiagnoseHLSLAvailability
 
   // Helper methods for dealing with current stage context / environment
   void SetShaderStageContext(HLSLShaderAttr::ShaderType ShaderType) {
+    static_assert(HLSLShaderAttr::ShaderTypeMaxValue < 31,
+                  "ShaderType is too big for this bitmap");
     assert((((unsigned)1) << (unsigned)ShaderType) != 0 &&
+           (((unsigned)1) << (unsigned)ShaderType) != 31 &&
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damyanp wrote:

`1 << ` any number can't ever be 31 can it?

Maybe it's meant to be something like:

```suggestion
    assert((((unsigned)1) << (unsigned)ShaderType) != 0 &&
           (unsigned)ShaderType) != 31 &&
```



https://github.com/llvm/llvm-project/pull/92704