[llvm] [NFC][TableGen] Emit more readable builtin string table. (PR #105445)

[Rahul Joshi via llvm-commits]

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@@ -52,6 +52,33 @@ class StringToOffsetTable {
     return II->second;
   }
 
+  // Emit the string using string literal concatenation, for better readability
+  // and searchability.
+  void EmitStringLiteralDef(raw_ostream &OS, const Twine &Decl,
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jurahul wrote:

Yeah, I adopted the name from `SequenceToOffsetTable`. The def means definition. 

https://github.com/llvm/llvm-project/pull/105445