[clang] [Clang][DirectX] Always use Diagnostic Printer (PR #135655)

[Sarah Spall via cfe-commits]

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@@ -605,13 +605,11 @@ void BackendConsumer::UnsupportedDiagHandler(
 
   // Context will be nullptr for IR input files, we will construct the diag
   // message from llvm::DiagnosticInfoUnsupported.
-  if (Context != nullptr) {
+  if (Context != nullptr)
     Loc = getBestLocationFromDebugLoc(D, BadDebugInfo, Filename, Line, Column);
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spall wrote:

Is the best location always "unknown"? or are these tests only for cases where the context is null?

https://github.com/llvm/llvm-project/pull/135655