[clang] [clang-tools-extra] [clang] Refactor `clang::Linkage` (PR #71049)

[Aaron Ballman via cfe-commits]

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@@ -2214,7 +2214,7 @@ void ASTWriter::WriteDeclAbbrevs() {
   Abv->Add(BitCodeAbbrevOp(0));                       // TSCSpec
   Abv->Add(BitCodeAbbrevOp(0));                       // InitStyle
   Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // isARCPseudoStrong
-  Abv->Add(BitCodeAbbrevOp(0));                       // Linkage
+  Abv->Add(BitCodeAbbrevOp(1));                         // Linkage
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AaronBallman wrote:

Excellent, thank you! Hmmm, we should probably put a comment there like "this value was last bumped for the Clang NN release" so we don't have to do so much work in the future... (Not as part of these changes, just thinking out loud.)

https://github.com/llvm/llvm-project/pull/71049