[llvm] [TableGen] Migrate CTags/DFA/Directive Emitters to const RecordKeeper (PR #107693)

[Craig Topper via llvm-commits]

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@@ -15,7 +15,8 @@ namespace llvm {
 // DirectiveBase.td and provides helper methods for accessing it.
 class DirectiveLanguage {
 public:
-  explicit DirectiveLanguage(llvm::RecordKeeper &Records) : Records(Records) {
+  explicit DirectiveLanguage(const llvm::RecordKeeper &Records)
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topperc wrote:

> How about I clean that up as a separate NFC?

Sure

https://github.com/llvm/llvm-project/pull/107693