[llvm] [AMDGPU][MC] Disassembler warning for v_cmpx instructions (PR #128256)

[Matt Arsenault via llvm-commits]

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@@ -222,6 +223,9 @@ class MCDisassembler {
   // Marked mutable because we cache it inside the disassembler, rather than
   // having to pass it around as an argument through all the autogenerated code.
   mutable raw_ostream *CommentStream = nullptr;
+
+  const std::string &getErrorOrWarningMsg() const { return ErrorOrWarningMsg; }
+  void setErrorOrWarningMsg(const std::string &Msg) { ErrorOrWarningMsg = Msg; }
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arsenm wrote:

this probably isn't the right strategy for improving diagnostics 

https://github.com/llvm/llvm-project/pull/128256