Mark DXIL Debugger of unbounded ConstantBuffer array as unsupported

i.e.

ConstantBuffer<Data> cbvArray[] : register(b0, space1);

renderdoc/driver/shaders/dxil/dxil_reflect.cpp

@@ -2052,6 +2052,34 @@ rdcstr Program::GetDebugStatus()
     }
   }
 
+  // Check the reflection for unbounded CBV resources
+  DXMeta dx(m_NamedMeta);
+  if(dx.resources)
+  {
+    RDCASSERTEQUAL(dx.resources->children.size(), 1);
+
+    const Metadata *resList = dx.resources->children[0];
+    RDCASSERTEQUAL(resList->children.size(), 4);
+
+    const Metadata *CBVs = resList->children[2];
+    if(CBVs)
+    {
+      for(const Metadata *r : CBVs->children)
+      {
+        uint32_t bindCount = getival<uint32_t>(r->children[(size_t)ResField::RegCount]);
+        if(bindCount == UINT32_MAX)
+        {
+          const rdcstr &name = r->children[(size_t)ResField::Name]->str;
+          uint32_t space = getival<uint32_t>(r->children[(size_t)ResField::Space]);
+          uint32_t regBase = getival<uint32_t>(r->children[(size_t)ResField::RegBase]);
+          return StringFormat::Fmt(
+              "Unsupported unbounded ConstantBuffer array '%s' Space:%d Register:%d", name.c_str(),
+              space, regBase);
+        }
+      }
+    }
+  }
+
   // no unsupported instructions used
   return rdcstr();
 }